CPM Homework Help : INT3 Problem 9-70

Solve the following equations.

$\frac { 3 } { x } = \frac { 5 } { x - 7 }$
Step 1 (a):
Multiply both sides of the equation by the common denominator.
Step 2 (a):
Simplify and combine like terms.

$\frac { 2 x + 3 } { 4 } - \frac { x - 7 } { 6 } = \frac { 2 x - 3 } { 12 }$
Hint (b):
Follow the same steps from part (a) and remember to distribute the negative sign.
Answer (b):
$x = −13$