-4(100)=x(8)

Solution for -4(100)=x(8) equation:

Simplifying
-4(100) = x(8)

Multiply -4 * 100
-400 = x(8)

Reorder the terms for easier multiplication:
-400 = 8x

Solving
-400 = 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.
-400 + -8x = 8x + -8x

Combine like terms: 8x + -8x = 0
-400 + -8x = 0

Add '400' to each side of the equation.
-400 + 400 + -8x = 0 + 400

Combine like terms: -400 + 400 = 0
0 + -8x = 0 + 400
-8x = 0 + 400

Combine like terms: 0 + 400 = 400
-8x = 400

Divide each side by '-8'.
x = -50

Simplifying
x = -50