7x+9=18x-79

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Solution for 7x+9=18x-79 equation:


Simplifying
7x + 9 = 18x + -79

Reorder the terms:
9 + 7x = 18x + -79

Reorder the terms:
9 + 7x = -79 + 18x

Solving
9 + 7x = -79 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
9 + 7x + -18x = -79 + 18x + -18x

Combine like terms: 7x + -18x = -11x
9 + -11x = -79 + 18x + -18x

Combine like terms: 18x + -18x = 0
9 + -11x = -79 + 0
9 + -11x = -79

Add '-9' to each side of the equation.
9 + -9 + -11x = -79 + -9

Combine like terms: 9 + -9 = 0
0 + -11x = -79 + -9
-11x = -79 + -9

Combine like terms: -79 + -9 = -88
-11x = -88

Divide each side by '-11'.
x = 8

Simplifying
x = 8

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