(2x+10)+(2x+20)=400

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Solution for (2x+10)+(2x+20)=400 equation: 



(2x+10)+(2x+20)=400

We move all terms to the left:

(2x+10)+(2x+20)-(400)=0

We get rid of parentheses

2x+2x+10+20-400=0

We add all the numbers together, and all the variables

4x-370=0

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

4x=370

x=370/4

x=92+1/2

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