x+15=10x-20

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


Simplifying
x + 15 = 10x + -20

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

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

Solving
15 + x = -20 + 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.
15 + x + -10x = -20 + 10x + -10x

Combine like terms: x + -10x = -9x
15 + -9x = -20 + 10x + -10x

Combine like terms: 10x + -10x = 0
15 + -9x = -20 + 0
15 + -9x = -20

Add '-15' to each side of the equation.
15 + -15 + -9x = -20 + -15

Combine like terms: 15 + -15 = 0
0 + -9x = -20 + -15
-9x = -20 + -15

Combine like terms: -20 + -15 = -35
-9x = -35

Divide each side by '-9'.
x = 3.888888889

Simplifying
x = 3.888888889

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