CPM Homework Help : ACC7 Problem 6-29

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6-29.

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

$y-4x=-3$
Hint (a):
First add $4x$ to both sides. Then solve the equation for $y$ .
More Help (a):
$y-4x=−3$
$\ \ \ +4x\ \ \ \ \ \ \ \ \ \ \ \ +4x$
Answer (a):
$y=-3+4x$

$3y-3x=9$
Hint (b):
Solve the equation for $y$ .
More Help 1(b):
$3y−3x=9$
$\ \ \ \ +3x\ \ \ \ \ +3x$
More Help 2(b):
$3y=9+3x$
Now divide each term by $3$ .
Answer (b):
$y=3+x$

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

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

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