(1+3)*20=80

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Solution for (1+3)*20=80 equation: 


Simplifying
(1 + 3) * 20 = 80

Combine like terms: 1 + 3 = 4
(4) * 20 = 80

Multiply 4 * 20
80 = 80

Add '-80' to each side of the equation.
80 + -80 = 80 + -80

Combine like terms: 80 + -80 = 0
0 = 80 + -80

Combine like terms: 80 + -80 = 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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