2x-9=18-7x

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


Simplifying
2x + -9 = 18 + -7x

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

Solving
-9 + 2x = 18 + -7x

Solving for variable 'x'.

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

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

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

Combine like terms: -7x + 7x = 0
-9 + 9x = 18 + 0
-9 + 9x = 18

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

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

Combine like terms: 18 + 9 = 27
9x = 27

Divide each side by '9'.
x = 3

Simplifying
x = 3

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