$MathMaster logo$

MathMaster

Home
general
3 2a 1 2 5a 1 4 3a 4

Question

3(2a-1) - 2(5a+1)=4(3a+4)

92

likes

458 views

Answer to a math question 3(2a-1) - 2(5a+1)=4(3a+4)

$Expert avatar$

4.8

117 Answers

Expand $3(2a-1)-2(5a+1):{\quad}-4a-5$

$-4a-5=12a+16$

Move $ 5 $to the right side

$-4a=12a+21$

Move $ 12a $to the left side

$-16a=21$

Divide both sides by $-16$

$a=-\frac{21}{16}$

Frequently asked questions (FAQs)

What is the equation of the hyperbola with center (3,-2), vertices (3,1) and (3,-5), and asymptotes y = -3x/2 - 4 and y = -3x/2 + 6?

+

Math question: What is 3/5 expressed as a decimal and as a percentage?

+

Find the basis vectors for the plane defined by the equation 2x + 3y - z = 4.

+

New questions in Mathematics

What is the amount of interest of 75,000 at 3.45% per year, at the end of 12 years and 6 months?

Use the elimination to find the solution to each linear system. X+y=43 2x-y=20

a bank finds that the balances in its savings accounts are normally distributed with a mean of $500 and a standard deviation off of $40. What is the probability that a randomly selected account has a balance of more than $400?

4.2x10^_6 convert to standard notation

Suppose 56% of politicians are lawyers if a random sample of size 873 is selected, what is the probability that the proportion of politicians who are lawyers will be less than 55% round your answer to four decimal places

how many arrangements can be made of 4 letters chosen from the letters of the world ABSOLUTE in which the S and U appear together

Use the power rule for logarithms to solve the following word problem exactly. If you invest $1, 000 at 5% interest compounded annually, how many years will it take before you have $2,000?

A machine produces 255 bolts in 24 minutes. At the same rate, how many bolts would be produced in 40 minutes?

Show work on 4108 divided by 4

Determine a general formula (or formulas) for the solution to the following equation. Then, determine the specific solutions (if any) on the interval [0,2π). cos30=0

Consider mixing 150 ml, 0.1M, HCI with 100 ml, 0.2M, KOH solution. Determine the pH of final solution.

The blood types of individuals in society are as follows: A: 30%, B: 25%, AB: 20%, 0: 25%. It is known that the rates of contracting a certain disease according to blood groups are as follows: A: 7%, B: 6%, AB: 7%, 0: 4%. Accordingly, if a person selected by chance is known to have this disease, what is the probability of having blood group O?

The slope of the tangent line to the curve f(x)=4tan x at the point (π/4,4)

calculate the product of 4 and 1/8

A gas is leaking at 3.5ft3/min in a room of 2.9m by 6.9ft by 15.7m. How long would it take (in seconds) for 22% of the room to reach the LFL, if the gas has a LFL of 2.51%?