150=x(20)+x(30)

Solution for 150=x(20)+x(30) equation:

Simplifying
150 = x(20) + x(30)

Reorder the terms for easier multiplication:
150 = 20x + x(30)

Reorder the terms for easier multiplication:
150 = 20x + 30x

Combine like terms: 20x + 30x = 50x
150 = 50x

Solving
150 = 50x

Solving for variable 'x'.

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

Add '-50x' to each side of the equation.
150 + -50x = 50x + -50x

Combine like terms: 50x + -50x = 0
150 + -50x = 0

Add '-150' to each side of the equation.
150 + -150 + -50x = 0 + -150

Combine like terms: 150 + -150 = 0
0 + -50x = 0 + -150
-50x = 0 + -150

Combine like terms: 0 + -150 = -150
-50x = -150

Divide each side by '-50'.
x = 3

Simplifying
x = 3