x-9=(2x+3)-18

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Solution for x-9=(2x+3)-18 equation:


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

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

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

Remove parenthesis around (3 + 2x)
-9 + x = 3 + 2x + -18

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

Combine like terms: 3 + -18 = -15
-9 + x = -15 + 2x

Solving
-9 + x = -15 + 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 + x + -2x = -15 + 2x + -2x

Combine like terms: x + -2x = -1x
-9 + -1x = -15 + 2x + -2x

Combine like terms: 2x + -2x = 0
-9 + -1x = -15 + 0
-9 + -1x = -15

Add '9' to each side of the equation.
-9 + 9 + -1x = -15 + 9

Combine like terms: -9 + 9 = 0
0 + -1x = -15 + 9
-1x = -15 + 9

Combine like terms: -15 + 9 = -6
-1x = -6

Divide each side by '-1'.
x = 6

Simplifying
x = 6

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