X-7=-1+9

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Solution for X-7=-1+9 equation: 


Simplifying
X + -7 = -1 + 9

Reorder the terms:
-7 + X = -1 + 9

Combine like terms: -1 + 9 = 8
-7 + X = 8

Solving
-7 + X = 8

Solving for variable 'X'.

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

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

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

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

Simplifying
X = 15

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