642-(858)=

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Solution for 642-(858)= equation: 


Simplifying
642 + -1(858) = 0

Multiply -1 * 858
642 + -858 = 0

Combine like terms: 642 + -858 = -216
-216 = 0

Solving
-216 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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