$MathMaster logo$

MathMaster

Home
general
solve 3 2x 23 12 6 4x 9 9

Question

Solve: −3(−2x+23)+12=6(−4x+9)+9.

64

likes

320 views

Answer to a math question Solve: −3(−2x+23)+12=6(−4x+9)+9.

$Expert avatar$

4.5

108 Answers

$6x-69+12=6\left( -4x+9 \right)+9$

$6x-69+12=-24x+54+9$

$6x-57=-24x+54+9$

$6x-57=-24x+63$

$6x-57+24x=63$

$6x+24x=63+57$

$30x=63+57$

$30x=120$

$x=4$

Frequently asked questions (FAQs)

Math question: Find the length of the hypotenuse in a right triangle with legs measuring 3 units and 4 units.

+

What is the period of the trigonometric function y = 3cos(2x) in terms of radians?

+

What is the limit of (7x^2 + 4x - 3)/(2x^2 - 5x + 1) as x approaches 2?

+

New questions in Mathematics

The patient is prescribed a course of 30 tablets. The tablets are prescribed “1 tablet twice a day”. How many days does a course of medication last?

A college believes that 22% of applicants to that school have parents who have remarried. How large a sample is needed to estimate the true proportion of students who have parents who have remarried to within 5 percentage points?

Jose bought 3/4 of oil and his sister bought 6/8, which of the two bought more oil?

A drawer contains three pairs of white socks, five pairs of black socks and two pairs of red socks. Caden randomly selects two pairs of socks on his way to the gym. What is the probability that both pairs of socks are black?

Suppose 56% of politicians are lawyers if a random sample of size 564 is selected, what is the probability that the proportion of politicians who are lawyers will differ from the total politicians proportions buy more than 4% round your answer to four decimal places

Equivalent expression of the sequence (3n-4)-(n-2)

The beta of a company is 1.51 while its financial leverage is 27%. What is then its unlevered beta if the corporate tax rate is 40%? (4 decimal places)

How many anagrams of the word STROMEC there that do not contain STROM, MOST, MOC or CEST as a subword? By subword is meant anything that is created by omitting some letters - for example, the word EMROSCT contains both MOC and MOST as subwords.

Suppose that you use 4.29 g of Iron in the chemical reaction: 2Fe(s) + 3 Cu2 + (aq) 2Fe 3 + (aq) + 3Cu(s ) - . What is the theoretical yield of Cu (s), in grams?

Show this compound proposition to be true or false. Paris is the capital of England or Rome is the capital of Italy

The points (-5,-4) and (3,6) are the ends of the diameter of the circle calculate subequation

Jasminder has made 55% of the recipes in a particular cookbook. If there are 9 recipes that he has never made, how many recipes does the cookbook contain?

For what values of m is point P (m, 1 - 2m) in the 2⁰ quadrant?

Your grandfather has run a small high street pharmacy for 40 years. After much persuasion, he has agreed to open a digital store online. List 5 potential ways to improve sales and/or margins by having a digital pharmacy through the utilisation of historic or new sales data.

A block slides across the floor with a force of 20N, which has an angle of 30°. The mass of the block is 2kg and the coefficient of friction is 0.1. Calculate the value of all the forces involved in this system and finally the value of the acceleration.

To paint a 250 m wall, a number of workers were employed. If the wall were 30 m longer, 9 more workers would be needed. How many were employed at the beginning?

Today a father deposits $12,500 in a bank that pays 8% annual interest. Additionally, make annual contributions due of $2,000 annually for 3 years. The fund is for your son to receive an annuity and pay for his studies for 5 years. If the child starts college after 4 years, how much is the value of the annuity? solve how well it is for an exam