7x-40=72

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Solution for 7x-40=72 equation: 


Simplifying
7x + -40 = 72

Reorder the terms:
-40 + 7x = 72

Solving
-40 + 7x = 72

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 7x = 72 + 40

Combine like terms: -40 + 40 = 0
0 + 7x = 72 + 40
7x = 72 + 40

Combine like terms: 72 + 40 = 112
7x = 112

Divide each side by '7'.
x = 16

Simplifying
x = 16

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