3x-18=9+x-7+x

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Solution for 3x-18=9+x-7+x equation:


Simplifying
3x + -18 = 9 + x + -7 + x

Reorder the terms:
-18 + 3x = 9 + x + -7 + x

Reorder the terms:
-18 + 3x = 9 + -7 + x + x

Combine like terms: 9 + -7 = 2
-18 + 3x = 2 + x + x

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

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

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

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

Add '18' to each side of the equation.
-18 + 18 + 1x = 2 + 18

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

Combine like terms: 2 + 18 = 20
1x = 20

Divide each side by '1'.
x = 20

Simplifying
x = 20

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