7(-8)-2(-8)+20=-20

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Solution for 7(-8)-2(-8)+20=-20 equation: 


Simplifying
7(-8) + -2(-8) + 20 = -20

Multiply 7 * -8
-56 + -2(-8) + 20 = -20

Multiply -2 * -8
-56 + 16 + 20 = -20

Combine like terms: -56 + 16 = -40
-40 + 20 = -20

Combine like terms: -40 + 20 = -20
-20 = -20

Add '20' to each side of the equation.
-20 + 20 = -20 + 20

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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