7x-72=3x-8

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Solution for 7x-72=3x-8 equation:


Simplifying
7x + -72 = 3x + -8

Reorder the terms:
-72 + 7x = 3x + -8

Reorder the terms:
-72 + 7x = -8 + 3x

Solving
-72 + 7x = -8 + 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 + 7x + -3x = -8 + 3x + -3x

Combine like terms: 7x + -3x = 4x
-72 + 4x = -8 + 3x + -3x

Combine like terms: 3x + -3x = 0
-72 + 4x = -8 + 0
-72 + 4x = -8

Add '72' to each side of the equation.
-72 + 72 + 4x = -8 + 72

Combine like terms: -72 + 72 = 0
0 + 4x = -8 + 72
4x = -8 + 72

Combine like terms: -8 + 72 = 64
4x = 64

Divide each side by '4'.
x = 16

Simplifying
x = 16

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