-7*15=x

Solution for -7*15=x equation:

Simplifying
-7 * 15 = x

Multiply -7 * 15
-105 = x

Solving
-105 = 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.
-105 + -1x = x + -1x

Combine like terms: x + -1x = 0
-105 + -1x = 0

Add '105' to each side of the equation.
-105 + 105 + -1x = 0 + 105

Combine like terms: -105 + 105 = 0
0 + -1x = 0 + 105
-1x = 0 + 105

Combine like terms: 0 + 105 = 105
-1x = 105

Divide each side by '-1'.
x = -105

Simplifying
x = -105