CPM Homework Help : INT1 Problem 4-8

Solve the equations below by first rewriting each equation as a simpler, equivalent equation. Check your solutions.

Hint (b):
Multiply both sides by the Least Common Multiple
(the Fraction Buster) of $4x$ and $8$ .
More Help:
Multiply every term by $8x$ .
Step 1(b):
$42 + 9x = 16x$
Step 2(b):
$42 = 7x$
Answer (b):
$x = 6$