7x-7=84

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Solution for 7x-7=84 equation: 


Simplifying
7x + -7 = 84

Reorder the terms:
-7 + 7x = 84

Solving
-7 + 7x = 84

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 7x = 84 + 7

Combine like terms: -7 + 7 = 0
0 + 7x = 84 + 7
7x = 84 + 7

Combine like terms: 84 + 7 = 91
7x = 91

Divide each side by '7'.
x = 13

Simplifying
x = 13

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