10(10+2x)=9(9+2x+3)

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Solution for 10(10+2x)=9(9+2x+3) equation: 



10(10+2x)=9(9+2x+3)

We move all terms to the left:

10(10+2x)-(9(9+2x+3))=0

We add all the numbers together, and all the variables

10(2x+10)-(9(2x+12))=0

We multiply parentheses

20x-(9(2x+12))+100=0



We calculate terms in parentheses: -(9(2x+12)), so:

9(2x+12)

We multiply parentheses

18x+108

Back to the equation:

-(18x+108)



We get rid of parentheses

20x-18x-108+100=0

We add all the numbers together, and all the variables

2x-8=0

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

2x=8

x=8/2

x=4

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