13x+40=9x-20+x

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Solution for 13x+40=9x-20+x equation:


Simplifying
13x + 40 = 9x + -20 + x

Reorder the terms:
40 + 13x = 9x + -20 + x

Reorder the terms:
40 + 13x = -20 + 9x + x

Combine like terms: 9x + x = 10x
40 + 13x = -20 + 10x

Solving
40 + 13x = -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.
40 + 13x + -10x = -20 + 10x + -10x

Combine like terms: 13x + -10x = 3x
40 + 3x = -20 + 10x + -10x

Combine like terms: 10x + -10x = 0
40 + 3x = -20 + 0
40 + 3x = -20

Add '-40' to each side of the equation.
40 + -40 + 3x = -20 + -40

Combine like terms: 40 + -40 = 0
0 + 3x = -20 + -40
3x = -20 + -40

Combine like terms: -20 + -40 = -60
3x = -60

Divide each side by '3'.
x = -20

Simplifying
x = -20

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