x+15=x*2-3

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


Simplifying
x + 15 = x * 2 + -3

Reorder the terms:
15 + x = x * 2 + -3

Reorder the terms for easier multiplication:
15 + x = 2x + -3

Reorder the terms:
15 + x = -3 + 2x

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

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

Combine like terms: 2x + -2x = 0
15 + -1x = -3 + 0
15 + -1x = -3

Add '-15' to each side of the equation.
15 + -15 + -1x = -3 + -15

Combine like terms: 15 + -15 = 0
0 + -1x = -3 + -15
-1x = -3 + -15

Combine like terms: -3 + -15 = -18
-1x = -18

Divide each side by '-1'.
x = 18

Simplifying
x = 18

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