15+20x-10=15x-5x+90

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Solution for 15+20x-10=15x-5x+90 equation:


Simplifying
15 + 20x + -10 = 15x + -5x + 90

Reorder the terms:
15 + -10 + 20x = 15x + -5x + 90

Combine like terms: 15 + -10 = 5
5 + 20x = 15x + -5x + 90

Reorder the terms:
5 + 20x = 90 + 15x + -5x

Combine like terms: 15x + -5x = 10x
5 + 20x = 90 + 10x

Solving
5 + 20x = 90 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
5 + 20x + -10x = 90 + 10x + -10x

Combine like terms: 20x + -10x = 10x
5 + 10x = 90 + 10x + -10x

Combine like terms: 10x + -10x = 0
5 + 10x = 90 + 0
5 + 10x = 90

Add '-5' to each side of the equation.
5 + -5 + 10x = 90 + -5

Combine like terms: 5 + -5 = 0
0 + 10x = 90 + -5
10x = 90 + -5

Combine like terms: 90 + -5 = 85
10x = 85

Divide each side by '10'.
x = 8.5

Simplifying
x = 8.5

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