23-x=87

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Solution for 23-x=87 equation: 


Simplifying
23 + -1x = 87

Solving
23 + -1x = 87

Solving for variable 'x'.

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

Add '-23' to each side of the equation.
23 + -23 + -1x = 87 + -23

Combine like terms: 23 + -23 = 0
0 + -1x = 87 + -23
-1x = 87 + -23

Combine like terms: 87 + -23 = 64
-1x = 64

Divide each side by '-1'.
x = -64

Simplifying
x = -64

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