3-[7-(-8)]=

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Solution for 3-[7-(-8)]= equation: 


Simplifying
3 + -1[7 + -1(-8)] = 0

Multiply -1 * -8
3 + -1[7 + 8] = 0

Combine like terms: 7 + 8 = 15
3 + -1[15] = 0

Multiply -1 * 15
3 + -15 = 0

Combine like terms: 3 + -15 = -12
-12 = 0

Solving
-12 = 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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