15-2(x+3)=x+9

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Solution for 15-2(x+3)=x+9 equation:


Simplifying
15 + -2(x + 3) = x + 9

Reorder the terms:
15 + -2(3 + x) = x + 9
15 + (3 * -2 + x * -2) = x + 9
15 + (-6 + -2x) = x + 9

Combine like terms: 15 + -6 = 9
9 + -2x = x + 9

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

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

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

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

Solving
-2x = x

Solving for variable 'x'.

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

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

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

Combine like terms: x + -1x = 0
-3x = 0

Divide each side by '-3'.
x = 0

Simplifying
x = 0

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