20+x+(x+4)=180

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Solution for 20+x+(x+4)=180 equation: 



20+x+(x+4)=180

We move all terms to the left:

20+x+(x+4)-(180)=0

We add all the numbers together, and all the variables

x+(x+4)-160=0

We get rid of parentheses

x+x+4-160=0

We add all the numbers together, and all the variables

2x-156=0

We move all terms containing x to the left, all other terms to the right

2x=156

x=156/2

x=78

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