7x-9=77

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Solution for 7x-9=77 equation: 


Simplifying
7x + -9 = 77

Reorder the terms:
-9 + 7x = 77

Solving
-9 + 7x = 77

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 7x = 77 + 9

Combine like terms: -9 + 9 = 0
0 + 7x = 77 + 9
7x = 77 + 9

Combine like terms: 77 + 9 = 86
7x = 86

Divide each side by '7'.
x = 12.28571429

Simplifying
x = 12.28571429

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