Answer
not a solution
Work Step by Step
Substitute -3$\frac{1}{2}$ into the equation for the variable and then simplify to see if the equation is true or false.
16-4x=-2x+21
16-4(-3$\frac{1}{2}$)=-2(-3$\frac{1}{2}$)+21
16+14=7+21
30$\ne$28
This is not a solution.
