7x+18=-2x+9

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Solution for 7x+18=-2x+9 equation:


Simplifying
7x + 18 = -2x + 9

Reorder the terms:
18 + 7x = -2x + 9

Reorder the terms:
18 + 7x = 9 + -2x

Solving
18 + 7x = 9 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
18 + 7x + 2x = 9 + -2x + 2x

Combine like terms: 7x + 2x = 9x
18 + 9x = 9 + -2x + 2x

Combine like terms: -2x + 2x = 0
18 + 9x = 9 + 0
18 + 9x = 9

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

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

Combine like terms: 9 + -18 = -9
9x = -9

Divide each side by '9'.
x = -1

Simplifying
x = -1

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