CPM Homework Help : CC3 Problem 5-58

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5-58.

Change each equation below into $y=mx+b$ form.

$y−4x=−3$
Hint (a):
Solve the equation for $y$ .
Step 1 (a):
$y−4x=−3$
$+4x\ \ \ \ \ +4x$
Answer (a):
$y=4x−3$

$3y−3x=9$
Hint (b):
Solve the equation for $y$ .
Step 1 (b):
$3y − 3x = 9$
$+3x\ \ \ \ \ \ \ \ +3x$
$3y=3x+9$
Answer (b):
$y=x+3$

$3x+2y=12$
Hint (c):
Follow the steps in part (b).

$2(x−3)+3y=0$
Hint (d):
First distribute the $2$ .
More Help (d):
Follow the steps in part (b).
Answer (d):
$y=-\frac{2}{3}{\it x}\; +\; 2$

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