O+(-8)=7

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Solution for O+(-8)=7 equation: 


Simplifying
O + (-8) = 7
O + -8 = 7

Reorder the terms:
-8 + O = 7

Solving
-8 + O = 7

Solving for variable 'O'.

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

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

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

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

Simplifying
O = 15

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