Ask question

Ask question

All categories

3 years ago

15

If x=-2 and y=6 is a solution of equation 3ax+2by=6, then find the value of b

1 answer:

lana66690 [7]3 years ago

7 0

$\text{Substitute the values of x and y to the equation}\\\\x=-2,\ y=6,\ 3ax+2by=6\\\\3a(-2)+2b(6)=6\\\\-6a+12b=6\qquad|\text{add 6a to both sides}\\\\12b=6a+6\qquad|\text{divide both sides by 12}\\\\b=\dfrac{6a}{12}+\dfrac{6}{12}\\\\\boxed{b=\dfrac{1}{2}a+\dfrac{1}{2}}$

You might be interested in

Two sides of a triangle are 12 and 15. Which inequality represents the solution to finding x, the third side.

Vikentia [17]

Answer:

the other side would be 15

Step-by-step explanation:

because 15 is bigger than 12 and the 12 is the bottom line and then the other line going up is 15 so it's equal.

4 0

2 years ago

What is the expression value of -42-13

AlladinOne [14]

Answer:

-55

Step-by-step explanation:

5 0

3 years ago

What can you say about the y-help urgent!!!

weeeeeb [17]

The correct answer is ( A )

let me know if you need explanation.

3 0

3 years ago

What is the answer to x in this equation K(x)=3/2x-1;k(x)=-4

I am Lyosha [343]

Answer :

-1/3

Explaination :

K(x) = 3/2x - 1

K(x) = -4

K(-4) = 3 / 2(-4) - 1

K = 3 / -8 - 1

K = 3 / -9

K =

$- \frac {1}{3}$

6 0

3 years ago

Read 2 more answers

suppose you buy 158,000 home. you found out the bank offers 30 year loan at 6.5% APR. What will he your monthly payment

serg [7]

Answer: $998.67

Step-by-step explanation:

M = P[r(1+r)^n/((1+r)^n)-1)]

This does not include taxes, insurance, or PMI

8 0

2 years ago