$MathMaster logo$

MathMaster

Home
general
5a 3 a 7 3

Question

5a-3.(a-7)=-3

269

likes

1344 views

Answer to a math question 5a-3.(a-7)=-3

$Expert avatar$

4.6

110 Answers

$5a-3a+21=-3$

$2a+21=-3$

$2a=-3-21$

$2a=-24$

$a=-12$

Frequently asked questions (FAQs)

Math question: What is the limit as x approaches 2 of (3x^2 - 5x + 2)/(x - 2)?

+

Math Question: In a triangle ABC, if AB = 7 cm, AC = 9 cm, and ∠C = 60°, find the length of BC using the Sine Law.

+

Question: Find the values of x that satisfy the cubic equation x^3 - 7x^2 + 16x - 12 = 0. How many solutions are there?

+

New questions in Mathematics

8x²-30x-10x²+70x=-30x+10x²-20x²

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?

How do you think the company has increased or decreased its income?

Consider numbers from 1 to 2023. We delete 3 consecutive numbers so, that the avarage of the left numbers is a whole number

(5u + 6)-(3u+2)=

A regional candy factory sells a guava roll at a price of $48, the monthly fixed costs amount to $125,000 and the variable cost for making a guava roll is $28. Determine: a) The equation of the total income from the production of guava rolls.

A company that manufactures personal hygiene items purchases machinery for $220,000 that is considered to last 7 years; it is estimated that at the end of the period it will have a salvage value of $1000. Find: to. The depreciation rate. b. The book value at the end of the sixth year.

A person borrows rm 1000 from a bank at an interest rate of 10%. After some time, he pays the bank rm 1900 as full and final settlement of the loan. Estimate the duration of his loan.

Raúl, Gilberto and Arturo are playing golf; The probabilities of winning for each one are as follows: (Raúl wins) = 20% (Gilberto wins) = 0.05% (Arturo wins) = ¾%. Perform operations and order events from least to most probable.

The price per night of a suite at the Baglioni Hotel in Venice is 1896 euros, VAT included. The VAT in Italy is 25%. The hotel gets a return of 10% out of the price VAT included. a) What is the amount of VAT paid by the hotel for one

Given (3x+2)E [2;14] how much money (in soles) does Sophia have if numerically it is the greatest value of x?

I. Order to add 40.25+1.31+.45 what is the first action to do ?

Use linear approximation to estimate the value of the sine of 31o.

Find the minimum value of the function y = -4 x3 + 60 x2 -252 x + 8 for values of x between x = 0 and x = 9 Enter the value of the function, not the value of x

We have two distributions: A (M = 66.7, 95% CI = [60.3, 67.1]) / B (M = 71.3 95% CI = [67.7, 74.9]). Erin maintains that B is significantly larger than A. Provide your opinion on Erin’s argument and justify your opinion.

Consider the function f(x)=1/2(x+1)^2-3. Use the preceding/following interval method to estimate the instantaneous rate of change at 𝑥 = 1.

Question 3 A square has a perimeter given by the algebraic expression 24x – 16. Write the algebraic expression that represents one of its sides.