7x+18=-8x+9x

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Solution for 7x+18=-8x+9x equation:


Simplifying
7x + 18 = -8x + 9x

Reorder the terms:
18 + 7x = -8x + 9x

Combine like terms: -8x + 9x = 1x
18 + 7x = 1x

Solving
18 + 7x = 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
18 + 7x + -1x = 1x + -1x

Combine like terms: 7x + -1x = 6x
18 + 6x = 1x + -1x

Combine like terms: 1x + -1x = 0
18 + 6x = 0

Add '-18' to each side of the equation.
18 + -18 + 6x = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 6x = 0 + -18
6x = 0 + -18

Combine like terms: 0 + -18 = -18
6x = -18

Divide each side by '6'.
x = -3

Simplifying
x = -3

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