12-8-3+2-2=20

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Solution for 12-8-3+2-2=20 equation: 


Simplifying
12 + -8 + -3 + 2 + -2 = 20

Combine like terms: 12 + -8 = 4
4 + -3 + 2 + -2 = 20

Combine like terms: 4 + -3 = 1
1 + 2 + -2 = 20

Combine like terms: 1 + 2 = 3
3 + -2 = 20

Combine like terms: 3 + -2 = 1
1 = 20

Solving
1 = 20

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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