-3+7(1+3(-3))-20=

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Solution for -3+7(1+3(-3))-20= equation: 


Simplifying
-3 + 7(1 + 3(-3)) + -20 = 0

Multiply 3 * -3
-3 + 7(1 + -9) + -20 = 0

Combine like terms: 1 + -9 = -8
-3 + 7(-8) + -20 = 0

Multiply 7 * -8
-3 + -56 + -20 = 0

Combine like terms: -3 + -56 = -59
-59 + -20 = 0

Combine like terms: -59 + -20 = -79
-79 = 0

Solving
-79 = 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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