### Home > CCA > Chapter 10 > Lesson 10.2.2 > Problem10-38

10-38.

Solve the equations below by first changing each equation to a simpler, equivalent equation.  Check your solution(s).  Are any values of the variable not allowed?

1.  $50x^2+200x=-150$

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

1.  $1.2m-0.2=3.8+m$

1.  $\frac{3x}{4}+\frac{x}{3}-\frac{1}{2}=0$