15=2(x+3)-9

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


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

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

Reorder the terms:
15 = 6 + -9 + 2x

Combine like terms: 6 + -9 = -3
15 = -3 + 2x

Solving
15 = -3 + 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.
15 + -2x = -3 + 2x + -2x

Combine like terms: 2x + -2x = 0
15 + -2x = -3 + 0
15 + -2x = -3

Add '-15' to each side of the equation.
15 + -15 + -2x = -3 + -15

Combine like terms: 15 + -15 = 0
0 + -2x = -3 + -15
-2x = -3 + -15

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

Divide each side by '-2'.
x = 9

Simplifying
x = 9

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