72-3x=10x+20

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Solution for 72-3x=10x+20 equation:


Simplifying
72 + -3x = 10x + 20

Reorder the terms:
72 + -3x = 20 + 10x

Solving
72 + -3x = 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.
72 + -3x + -10x = 20 + 10x + -10x

Combine like terms: -3x + -10x = -13x
72 + -13x = 20 + 10x + -10x

Combine like terms: 10x + -10x = 0
72 + -13x = 20 + 0
72 + -13x = 20

Add '-72' to each side of the equation.
72 + -72 + -13x = 20 + -72

Combine like terms: 72 + -72 = 0
0 + -13x = 20 + -72
-13x = 20 + -72

Combine like terms: 20 + -72 = -52
-13x = -52

Divide each side by '-13'.
x = 4

Simplifying
x = 4

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