31-(-16)=x

Solution for 31-(-16)=x equation:

Simplifying
31 + -1(-16) = x

Multiply -1 * -16
31 + 16 = x

Combine like terms: 31 + 16 = 47
47 = x

Solving
47 = x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
47 + -1x = x + -1x

Combine like terms: x + -1x = 0
47 + -1x = 0

Add '-47' to each side of the equation.
47 + -47 + -1x = 0 + -47

Combine like terms: 47 + -47 = 0
0 + -1x = 0 + -47
-1x = 0 + -47

Combine like terms: 0 + -47 = -47
-1x = -47

Divide each side by '-1'.
x = 47

Simplifying
x = 47