(-3)-[(-2)-(4)(-5)]=

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Solution for (-3)-[(-2)-(4)(-5)]= equation: 


Simplifying
(-3) + -1[(-2) + -1(4)(-5)] = 0
-3 + -1[(-2) + -1(4)(-5)] = 0
-3 + -1[-2 + -1(4)(-5)] = 0

Multiply -1 * 4
-3 + -1[-2 + -4 * -5] = 0

Multiply -4 * -5
-3 + -1[-2 + 20] = 0

Combine like terms: -2 + 20 = 18
-3 + -1[18] = 0

Multiply -1 * 18
-3 + -18 = 0

Combine like terms: -3 + -18 = -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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