-5+8=X

Solution for -5+8=X equation:

Simplifying
-5 + 8 = X

Combine like terms: -5 + 8 = 3
3 = X

Solving
3 = 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.
3 + -1X = X + -1X

Combine like terms: X + -1X = 0
3 + -1X = 0

Add '-3' to each side of the equation.
3 + -3 + -1X = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1X = 0 + -3
-1X = 0 + -3

Combine like terms: 0 + -3 = -3
-1X = -3

Divide each side by '-1'.
X = 3

Simplifying
X = 3