x+(2x+5)=20

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Solution for x+(2x+5)=20 equation: 



x+(2x+5)=20

We move all terms to the left:

x+(2x+5)-(20)=0

We get rid of parentheses

x+2x+5-20=0

We add all the numbers together, and all the variables

3x-15=0

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

3x=15

x=15/3

x=5

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