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8-9.

Solve each equation for the indicated variable. Homework Help ✎

1. $y=3x+2$ (for $x$)

1. $a=\frac{b}{c}$ (for $b$)

• Isolate the term with the $x$ on one side of the equation.

• $x=\frac{y-2}{3}$

• Multiply both sides by $c$
(Multiplication Property of Equality).

1. $\frac{x}{2}-7=\frac{y}{3}$ (for $x$)

1. $g=\frac{1}{2}at^2$ (for $t^2$)

• $x=\frac{2y}{3}+14$

• $t^2=\frac{2g}{a}$