3(-10-1)=5(-10-1)-2(7+20)

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Solution for 3(-10-1)=5(-10-1)-2(7+20) equation: 


Simplifying
3(-10 + -1) = 5(-10 + -1) + -2(7 + 20)

Combine like terms: -10 + -1 = -11
3(-11) = 5(-10 + -1) + -2(7 + 20)

Multiply 3 * -11
-33 = 5(-10 + -1) + -2(7 + 20)

Combine like terms: -10 + -1 = -11
-33 = 5(-11) + -2(7 + 20)

Multiply 5 * -11
-33 = -55 + -2(7 + 20)

Combine like terms: 7 + 20 = 27
-33 = -55 + -2(27)

Multiply -2 * 27
-33 = -55 + -54

Combine like terms: -55 + -54 = -109
-33 = -109

Solving
-33 = -109

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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