(20+20+20+20)+(15+15+15+15)=

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Solution for (20+20+20+20)+(15+15+15+15)= equation: 


Simplifying
(20 + 20 + 20 + 20) + (15 + 15 + 15 + 15) = 0

Combine like terms: 20 + 20 = 40
(40 + 20 + 20) + (15 + 15 + 15 + 15) = 0

Combine like terms: 40 + 20 = 60
(60 + 20) + (15 + 15 + 15 + 15) = 0

Combine like terms: 60 + 20 = 80
(80) + (15 + 15 + 15 + 15) = 0
80 + (15 + 15 + 15 + 15) = 0

Combine like terms: 15 + 15 = 30
80 + (30 + 15 + 15) = 0

Combine like terms: 30 + 15 = 45
80 + (45 + 15) = 0

Combine like terms: 45 + 15 = 60
80 + (60) = 0
80 + 60 = 0

Combine like terms: 80 + 60 = 140
140 = 0

Solving
140 = 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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