15-x=2*(x+3)

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


Simplifying
15 + -1x = 2(x + 3)

Reorder the terms:
15 + -1x = 2(3 + x)
15 + -1x = (3 * 2 + x * 2)
15 + -1x = (6 + 2x)

Solving
15 + -1x = 6 + 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 + -1x + -2x = 6 + 2x + -2x

Combine like terms: -1x + -2x = -3x
15 + -3x = 6 + 2x + -2x

Combine like terms: 2x + -2x = 0
15 + -3x = 6 + 0
15 + -3x = 6

Add '-15' to each side of the equation.
15 + -15 + -3x = 6 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = 6 + -15
-3x = 6 + -15

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

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

Simplifying
x = 3

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