3x-9=2x-18

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Solution for 3x-9=2x-18 equation:


Simplifying
3x + -9 = 2x + -18

Reorder the terms:
-9 + 3x = 2x + -18

Reorder the terms:
-9 + 3x = -18 + 2x

Solving
-9 + 3x = -18 + 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.
-9 + 3x + -2x = -18 + 2x + -2x

Combine like terms: 3x + -2x = 1x
-9 + 1x = -18 + 2x + -2x

Combine like terms: 2x + -2x = 0
-9 + 1x = -18 + 0
-9 + 1x = -18

Add '9' to each side of the equation.
-9 + 9 + 1x = -18 + 9

Combine like terms: -9 + 9 = 0
0 + 1x = -18 + 9
1x = -18 + 9

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

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

Simplifying
x = -9

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