-7+X=8-X

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


Simplifying
-7 + X = 8 + -1X

Solving
-7 + X = 8 + -1X

Solving for variable 'X'.

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

Add 'X' to each side of the equation.
-7 + X + X = 8 + -1X + X

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

Combine like terms: -1X + X = 0
-7 + 2X = 8 + 0
-7 + 2X = 8

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

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

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

Divide each side by '2'.
X = 7.5

Simplifying
X = 7.5

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