7x-30=117

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Solution for 7x-30=117 equation: 


Simplifying
7x + -30 = 117

Reorder the terms:
-30 + 7x = 117

Solving
-30 + 7x = 117

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 7x = 117 + 30

Combine like terms: -30 + 30 = 0
0 + 7x = 117 + 30
7x = 117 + 30

Combine like terms: 117 + 30 = 147
7x = 147

Divide each side by '7'.
x = 21

Simplifying
x = 21

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