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

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


Simplifying
(-30(-7)) + -1(-210(-3)) = 0

Multiply -30 * -7
(210) + -1(-210(-3)) = 0
210 + -1(-210(-3)) = 0

Multiply -210 * -3
210 + -1(630) = 0

Multiply -1 * 630
210 + -630 = 0

Combine like terms: 210 + -630 = -420
-420 = 0

Solving
-420 = 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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