86-x=87

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Solution for 86-x=87 equation: 


Simplifying
86 + -1x = 87

Solving
86 + -1x = 87

Solving for variable 'x'.

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

Add '-86' to each side of the equation.
86 + -86 + -1x = 87 + -86

Combine like terms: 86 + -86 = 0
0 + -1x = 87 + -86
-1x = 87 + -86

Combine like terms: 87 + -86 = 1
-1x = 1

Divide each side by '-1'.
x = -1

Simplifying
x = -1

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