CPM Homework Help : CCA Problem 4-54

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4-54.

Solve the following equations for $x$ , if possible. Check your solutions.

$-(2-3x)+x=9-x$
Hint (a):
Simplify the equation as much as possible, then solve for $x$ .
Answer (a):
$x=2.2$

$\frac{6}{x+2}=\frac{3}{4}$

Hint (b):
Isolate the $6$ by multiplying both sides of the equation by the denominator, $x + 2$ .
Answer (b):
$6$

$5 - 2 ( x + 6 ) = 14$

Hint (c):
Refer to part (b).

$\frac{1}{2}x−4+1=−3−\ \frac{1}{2}x$

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