9(-7)-7(4)=

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Solution for 9(-7)-7(4)= equation: 


Simplifying
9(-7) + -7(4) = 0

Multiply 9 * -7
-63 + -7(4) = 0

Multiply -7 * 4
-63 + -28 = 0

Combine like terms: -63 + -28 = -91
-91 = 0

Solving
-91 = 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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