87+x=105

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Solution for 87+x=105 equation: 


Simplifying
87 + x = 105

Solving
87 + x = 105

Solving for variable 'x'.

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

Add '-87' to each side of the equation.
87 + -87 + x = 105 + -87

Combine like terms: 87 + -87 = 0
0 + x = 105 + -87
x = 105 + -87

Combine like terms: 105 + -87 = 18
x = 18

Simplifying
x = 18

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