## Elementary Algebra

{$-4$}
To solve this equation, we will first collect the variable and the constants on the opposite sides of the equality sign. Then, we will perform arithmetic operations on the resultant equation: $-5x+2=22$ $-5x=22-2$ $-5x=20$ $x=\frac{20}{-5}$ $x=-4$ Therefore, the solution set is {$-4$}.