(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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