6=x(-15)

Solution for 6=x(-15) equation:

Simplifying
6 = x(-15)

Reorder the terms for easier multiplication:
6 = -15x

Solving
6 = -15x

Solving for variable 'x'.

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

Add '15x' to each side of the equation.
6 + 15x = -15x + 15x

Combine like terms: -15x + 15x = 0
6 + 15x = 0

Add '-6' to each side of the equation.
6 + -6 + 15x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 15x = 0 + -6
15x = 0 + -6

Combine like terms: 0 + -6 = -6
15x = -6

Divide each side by '15'.
x = -0.4

Simplifying
x = -0.4