x-8=3x-20

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


Simplifying
x + -8 = 3x + -20

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

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

Solving
-8 + x = -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 + x + -3x = -20 + 3x + -3x

Combine like terms: x + -3x = -2x
-8 + -2x = -20 + 3x + -3x

Combine like terms: 3x + -3x = 0
-8 + -2x = -20 + 0
-8 + -2x = -20

Add '8' to each side of the equation.
-8 + 8 + -2x = -20 + 8

Combine like terms: -8 + 8 = 0
0 + -2x = -20 + 8
-2x = -20 + 8

Combine like terms: -20 + 8 = -12
-2x = -12

Divide each side by '-2'.
x = 6

Simplifying
x = 6

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