20(15-1)-4(7-1)=

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Solution for 20(15-1)-4(7-1)= equation: 


Simplifying
20(15 + -1) + -4(7 + -1) = 0

Combine like terms: 15 + -1 = 14
20(14) + -4(7 + -1) = 0

Multiply 20 * 14
280 + -4(7 + -1) = 0

Combine like terms: 7 + -1 = 6
280 + -4(6) = 0

Multiply -4 * 6
280 + -24 = 0

Combine like terms: 280 + -24 = 256
256 = 0

Solving
256 = 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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