X+8=87

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Solution for X+8=87 equation: 


Simplifying
X + 8 = 87

Reorder the terms:
8 + X = 87

Solving
8 + X = 87

Solving for variable 'X'.

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

Add '-8' to each side of the equation.
8 + -8 + X = 87 + -8

Combine like terms: 8 + -8 = 0
0 + X = 87 + -8
X = 87 + -8

Combine like terms: 87 + -8 = 79
X = 79

Simplifying
X = 79

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