(2x+2)*10=(11+9)*9

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Solution for (2x+2)*10=(11+9)*9 equation: 



(2x+2)*10=(11+9)*9

We move all terms to the left:

(2x+2)*10-((11+9)*9)=0

We add all the numbers together, and all the variables

(2x+2)*10-(20*9)=0

We add all the numbers together, and all the variables

(2x+2)*10-180=0

We multiply parentheses

20x+20-180=0

We add all the numbers together, and all the variables

20x-160=0

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

20x=160

x=160/20

x=8

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