4x-72=90

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Solution for 4x-72=90 equation: 


Simplifying
4x + -72 = 90

Reorder the terms:
-72 + 4x = 90

Solving
-72 + 4x = 90

Solving for variable 'x'.

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

Add '72' to each side of the equation.
-72 + 72 + 4x = 90 + 72

Combine like terms: -72 + 72 = 0
0 + 4x = 90 + 72
4x = 90 + 72

Combine like terms: 90 + 72 = 162
4x = 162

Divide each side by '4'.
x = 40.5

Simplifying
x = 40.5

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