### Home > AC > Chapter 10 > Lesson 10.1.4 > Problem10-37

10-37.

Solve the equations below by first changing each equation to a simpler, equivalent equation.  Check your solution(s).

1. $50x^2+200x=-150$

1. $\frac{a}{9}+\frac{1}{a}=\frac{2}{3}$

1. $1.2m-0.2=3.8+m$

1. $\frac{2}{x+5}+\frac{3x}{x^2+2x-15}=\frac{4}{x-3}$