15x-5(x-1)=120

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Solution for 15x-5(x-1)=120 equation:


Simplifying
15x + -5(x + -1) = 120

Reorder the terms:
15x + -5(-1 + x) = 120
15x + (-1 * -5 + x * -5) = 120
15x + (5 + -5x) = 120

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

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

Solving
5 + 10x = 120

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 10x = 120 + -5

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

Combine like terms: 120 + -5 = 115
10x = 115

Divide each side by '10'.
x = 11.5

Simplifying
x = 11.5

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