15x+40=5x+120

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Solution for 15x+40=5x+120 equation:


Simplifying
15x + 40 = 5x + 120

Reorder the terms:
40 + 15x = 5x + 120

Reorder the terms:
40 + 15x = 120 + 5x

Solving
40 + 15x = 120 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
40 + 15x + -5x = 120 + 5x + -5x

Combine like terms: 15x + -5x = 10x
40 + 10x = 120 + 5x + -5x

Combine like terms: 5x + -5x = 0
40 + 10x = 120 + 0
40 + 10x = 120

Add '-40' to each side of the equation.
40 + -40 + 10x = 120 + -40

Combine like terms: 40 + -40 = 0
0 + 10x = 120 + -40
10x = 120 + -40

Combine like terms: 120 + -40 = 80
10x = 80

Divide each side by '10'.
x = 8

Simplifying
x = 8

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