8-[15-(7+(20))]=

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Solution for 8-[15-(7+(20))]= equation: 


Simplifying
8 + -1[15 + -1(7 + (20))] = 0
8 + -1[15 + -1(7 + 20)] = 0

Combine like terms: 7 + 20 = 27
8 + -1[15 + -1(27)] = 0

Multiply -1 * 27
8 + -1[15 + -27] = 0

Combine like terms: 15 + -27 = -12
8 + -1[-12] = 0

Multiply -1 * -12
8 + 12 = 0

Combine like terms: 8 + 12 = 20
20 = 0

Solving
20 = 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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