-72-x=20+3x

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Solution for -72-x=20+3x equation:


Simplifying
-72 + -1x = 20 + 3x

Solving
-72 + -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.
-72 + -1x + -3x = 20 + 3x + -3x

Combine like terms: -1x + -3x = -4x
-72 + -4x = 20 + 3x + -3x

Combine like terms: 3x + -3x = 0
-72 + -4x = 20 + 0
-72 + -4x = 20

Add '72' to each side of the equation.
-72 + 72 + -4x = 20 + 72

Combine like terms: -72 + 72 = 0
0 + -4x = 20 + 72
-4x = 20 + 72

Combine like terms: 20 + 72 = 92
-4x = 92

Divide each side by '-4'.
x = -23

Simplifying
x = -23

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