-x+8=3x+20

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Solution for -x+8=3x+20 equation:


Simplifying
-1x + 8 = 3x + 20

Reorder the terms:
8 + -1x = 3x + 20

Reorder the terms:
8 + -1x = 20 + 3x

Solving
8 + -1x = 20 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
8 + -1x + -3x = 20 + 3x + -3x

Combine like terms: -1x + -3x = -4x
8 + -4x = 20 + 3x + -3x

Combine like terms: 3x + -3x = 0
8 + -4x = 20 + 0
8 + -4x = 20

Add '-8' to each side of the equation.
8 + -8 + -4x = 20 + -8

Combine like terms: 8 + -8 = 0
0 + -4x = 20 + -8
-4x = 20 + -8

Combine like terms: 20 + -8 = 12
-4x = 12

Divide each side by '-4'.
x = -3

Simplifying
x = -3

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