20+(-6)-(-7)-4=

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Solution for 20+(-6)-(-7)-4= equation: 


Simplifying
20 + (-6) + -1(-7) + -4 = 0
20 + -6 + -1(-7) + -4 = 0

Multiply -1 * -7
20 + -6 + 7 + -4 = 0

Combine like terms: 20 + -6 = 14
14 + 7 + -4 = 0

Combine like terms: 14 + 7 = 21
21 + -4 = 0

Combine like terms: 21 + -4 = 17
17 = 0

Solving
17 = 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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