3x+2-x=8+x+7

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Solution for 3x+2-x=8+x+7 equation:


Simplifying
3x + 2 + -1x = 8 + x + 7

Reorder the terms:
2 + 3x + -1x = 8 + x + 7

Combine like terms: 3x + -1x = 2x
2 + 2x = 8 + x + 7

Reorder the terms:
2 + 2x = 8 + 7 + x

Combine like terms: 8 + 7 = 15
2 + 2x = 15 + x

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

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

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

Add '-2' to each side of the equation.
2 + -2 + 1x = 15 + -2

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

Combine like terms: 15 + -2 = 13
1x = 13

Divide each side by '1'.
x = 13

Simplifying
x = 13

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