Translate the sentence into an equation, Three times the sum of a number and 7 equals 2.
Use the variable y for the unknown number.

3(y+7)=2

Step-by-step explanation:

a. she will receive a refund of $278.

step-by-step explanation:

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right