x+21=-6+87

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Solution for x+21=-6+87 equation: 


Simplifying
x + 21 = -6 + 87

Reorder the terms:
21 + x = -6 + 87

Combine like terms: -6 + 87 = 81
21 + x = 81

Solving
21 + x = 81

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + x = 81 + -21

Combine like terms: 21 + -21 = 0
0 + x = 81 + -21
x = 81 + -21

Combine like terms: 81 + -21 = 60
x = 60

Simplifying
x = 60

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