-30(-7)-210(-3)=

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Solution for -30(-7)-210(-3)= equation: 


Simplifying
-30(-7) + -210(-3) = 0

Multiply -30 * -7
210 + -210(-3) = 0

Multiply -210 * -3
210 + 630 = 0

Combine like terms: 210 + 630 = 840
840 = 0

Solving
840 = 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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