815+X=902

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Solution for 815+X=902 equation: 


Simplifying
815 + X = 902

Solving
815 + X = 902

Solving for variable 'X'.

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

Add '-815' to each side of the equation.
815 + -815 + X = 902 + -815

Combine like terms: 815 + -815 = 0
0 + X = 902 + -815
X = 902 + -815

Combine like terms: 902 + -815 = 87
X = 87

Simplifying
X = 87

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