-x+20-3x-12=7x-5+9

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Solution for -x+20-3x-12=7x-5+9 equation:


Simplifying
-1x + 20 + -3x + -12 = 7x + -5 + 9

Reorder the terms:
20 + -12 + -1x + -3x = 7x + -5 + 9

Combine like terms: 20 + -12 = 8
8 + -1x + -3x = 7x + -5 + 9

Combine like terms: -1x + -3x = -4x
8 + -4x = 7x + -5 + 9

Reorder the terms:
8 + -4x = -5 + 9 + 7x

Combine like terms: -5 + 9 = 4
8 + -4x = 4 + 7x

Solving
8 + -4x = 4 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
8 + -4x + -7x = 4 + 7x + -7x

Combine like terms: -4x + -7x = -11x
8 + -11x = 4 + 7x + -7x

Combine like terms: 7x + -7x = 0
8 + -11x = 4 + 0
8 + -11x = 4

Add '-8' to each side of the equation.
8 + -8 + -11x = 4 + -8

Combine like terms: 8 + -8 = 0
0 + -11x = 4 + -8
-11x = 4 + -8

Combine like terms: 4 + -8 = -4
-11x = -4

Divide each side by '-11'.
x = 0.3636363636

Simplifying
x = 0.3636363636

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