3x-x+8=7

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


Simplifying
3x + -1x + 8 = 7

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

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

Solving
8 + 2x = 7

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + 2x = 7 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 7 + -8
2x = 7 + -8

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

Divide each side by '2'.
x = -0.5

Simplifying
x = -0.5

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