5x-72=81x-4x

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Solution for 5x-72=81x-4x equation:


Simplifying
5x + -72 = 81x + -4x

Reorder the terms:
-72 + 5x = 81x + -4x

Combine like terms: 81x + -4x = 77x
-72 + 5x = 77x

Solving
-72 + 5x = 77x

Solving for variable 'x'.

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

Add '-77x' to each side of the equation.
-72 + 5x + -77x = 77x + -77x

Combine like terms: 5x + -77x = -72x
-72 + -72x = 77x + -77x

Combine like terms: 77x + -77x = 0
-72 + -72x = 0

Add '72' to each side of the equation.
-72 + 72 + -72x = 0 + 72

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

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

Divide each side by '-72'.
x = -1

Simplifying
x = -1

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