3X+8-7X=-7+X

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


Simplifying
3X + 8 + -7X = -7 + X

Reorder the terms:
8 + 3X + -7X = -7 + X

Combine like terms: 3X + -7X = -4X
8 + -4X = -7 + X

Solving
8 + -4X = -7 + 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.
8 + -4X + -1X = -7 + X + -1X

Combine like terms: -4X + -1X = -5X
8 + -5X = -7 + X + -1X

Combine like terms: X + -1X = 0
8 + -5X = -7 + 0
8 + -5X = -7

Add '-8' to each side of the equation.
8 + -8 + -5X = -7 + -8

Combine like terms: 8 + -8 = 0
0 + -5X = -7 + -8
-5X = -7 + -8

Combine like terms: -7 + -8 = -15
-5X = -15

Divide each side by '-5'.
X = 3

Simplifying
X = 3

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