9-4(20-1)=45

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Solution for 9-4(20-1)=45 equation: 


Simplifying
9 + -4(20 + -1) = 45

Combine like terms: 20 + -1 = 19
9 + -4(19) = 45

Multiply -4 * 19
9 + -76 = 45

Combine like terms: 9 + -76 = -67
-67 = 45

Solving
-67 = 45

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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