CPM Homework Help : CCG Problem 1-79

Solve for the variable in each equation below. Show your steps and check your answer.

Hint (a-d):

To check your answer, substitute your solution into all parts of the equation where a variable is present.
If your solution is correct, then both sides of the equation will be equal.

$4p+8p+12=-48$
Answer (a):
$p=-5$

$-2x+7=-21$
Answer (c):
$x=14$

$9w+33=12w-27$
Answer (b):
$w=20$

$25=10y+8$
Answer (d):
$y=\frac{17}{10}$