-8=X+7

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Solution for -8=X+7 equation:


Simplifying
-8 = X + 7

Reorder the terms:
-8 = 7 + X

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

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

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

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

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

Divide each side by '-1'.
X = -15

Simplifying
X = -15

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