(2x+1)+7=20

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Solution for (2x+1)+7=20 equation: 



(2x+1)+7=20

We move all terms to the left:

(2x+1)+7-(20)=0

We add all the numbers together, and all the variables

(2x+1)-13=0

We get rid of parentheses

2x+1-13=0

We add all the numbers together, and all the variables

2x-12=0

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

2x=12

x=12/2

x=6

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