15x+10=20x-90

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


Simplifying
15x + 10 = 20x + -90

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

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

Solving
10 + 15x = -90 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
10 + 15x + -20x = -90 + 20x + -20x

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

Combine like terms: 20x + -20x = 0
10 + -5x = -90 + 0
10 + -5x = -90

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

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

Combine like terms: -90 + -10 = -100
-5x = -100

Divide each side by '-5'.
x = 20

Simplifying
x = 20

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