(5)(-5)-(-4)=

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Solution for (5)(-5)-(-4)= equation: 


Simplifying
(5)(-5) + -1(-4) = 0

Multiply 5 * -5
-25 + -1(-4) = 0

Multiply -1 * -4
-25 + 4 = 0

Combine like terms: -25 + 4 = -21
-21 = 0

Solving
-21 = 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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