(-82)+8+(-31)-(-21)=

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Solution for (-82)+8+(-31)-(-21)= equation: 


Simplifying
(-82) + 8 + (-31) + -1(-21) = 0
-82 + 8 + (-31) + -1(-21) = 0
-82 + 8 + -31 + -1(-21) = 0

Multiply -1 * -21
-82 + 8 + -31 + 21 = 0

Combine like terms: -82 + 8 = -74
-74 + -31 + 21 = 0

Combine like terms: -74 + -31 = -105
-105 + 21 = 0

Combine like terms: -105 + 21 = -84
-84 = 0

Solving
-84 = 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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