3=x(-8)

Solution for 3=x(-8) equation:

Simplifying
3 = x(-8)

Reorder the terms for easier multiplication:
3 = -8x

Solving
3 = -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
3 + 8x = -8x + 8x

Combine like terms: -8x + 8x = 0
3 + 8x = 0

Add '-3' to each side of the equation.
3 + -3 + 8x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 8x = 0 + -3
8x = 0 + -3

Combine like terms: 0 + -3 = -3
8x = -3

Divide each side by '8'.
x = -0.375

Simplifying
x = -0.375