CPM Homework Help : INT1 Problem 4-57

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4-57.

Solve each equation. For part (b) justify or explain your steps.

$3 x + 2 = 10 - 4 ( x - 1 )$

Hint (a):
Check your answer in the original equation.
Answer (a):
$x=\frac{12}{7}$

$4 ( x - 1 ) - 2 ( 3 x + 5 ) = - 3 x + 1$

Hint (b):
See part (a).
Answer (b):
$x = 15$
Show your work.

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