CPM Homework Help : CCA2 Problem 2-99

Solve for $x$ : $ax+by^3=c+7$ .

Step 1:

Subtract $by^3$ from both sides of the equation.

$ax=c+7−by^3$

Step 2:

Now finish solving for $x$ by dividing both sides by $a$ .

Answer:

$x=\frac{c+7-by^3}{a}$