-30+-27=-57

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Solution for -30+-27=-57 equation: 


Simplifying
-30 + -27 = -57

Combine like terms: -30 + -27 = -57
-57 = -57

Add '57' to each side of the equation.
-57 + 57 = -57 + 57

Combine like terms: -57 + 57 = 0
0 = -57 + 57

Combine like terms: -57 + 57 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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