-x+15=x+3

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


Simplifying
-1x + 15 = x + 3

Reorder the terms:
15 + -1x = x + 3

Reorder the terms:
15 + -1x = 3 + x

Solving
15 + -1x = 3 + 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.
15 + -1x + -1x = 3 + x + -1x

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

Combine like terms: x + -1x = 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 = -12
-2x = -12

Divide each side by '-2'.
x = 6

Simplifying
x = 6

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