7x-9-x=63

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Solution for 7x-9-x=63 equation:


Simplifying
7x + -9 + -1x = 63

Reorder the terms:
-9 + 7x + -1x = 63

Combine like terms: 7x + -1x = 6x
-9 + 6x = 63

Solving
-9 + 6x = 63

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 + 6x = 63 + 9

Combine like terms: -9 + 9 = 0
0 + 6x = 63 + 9
6x = 63 + 9

Combine like terms: 63 + 9 = 72
6x = 72

Divide each side by '6'.
x = 12

Simplifying
x = 12

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