Home > INT1 > Chapter 10 > Lesson 10.1.3 > Problem10-51

10-51.

Solve these equations, if possible. Each time, be sure you have found all possible solutions. Check your solutions.

1. $( x + 4 ) ^ { 2 } = 49$

$\sqrt{(\textit{x}+4)^2}=\sqrt{49}$

1. $3 \sqrt { x + 2 } = 12$

Divide both sides by $3$.

1. $\frac { 2 } { x } + \frac { 3 } { 10 } = \frac { 13 } { 10 }$

$\frac{2}{\textit{x}}=\frac{10}{10}$

$x = 2$

1. $5 ( 2 x - 1 ) - 2 = 13$

Distribute, then solve.