x+15=2x+7

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Solution for x+15=2x+7 equation:


Simplifying
x + 15 = 2x + 7

Reorder the terms:
15 + x = 2x + 7

Reorder the terms:
15 + x = 7 + 2x

Solving
15 + x = 7 + 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 = 7 + 2x + -2x

Combine like terms: x + -2x = -1x
15 + -1x = 7 + 2x + -2x

Combine like terms: 2x + -2x = 0
15 + -1x = 7 + 0
15 + -1x = 7

Add '-15' to each side of the equation.
15 + -15 + -1x = 7 + -15

Combine like terms: 15 + -15 = 0
0 + -1x = 7 + -15
-1x = 7 + -15

Combine like terms: 7 + -15 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8

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