0.2(20+10x)=9

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Solution for 0.2(20+10x)=9 equation: 



0.2(20+10x)=9

We move all terms to the left:

0.2(20+10x)-(9)=0

We add all the numbers together, and all the variables

0.2(10x+20)-9=0

We multiply parentheses

2x+4-9=0

We add all the numbers together, and all the variables

2x-5=0

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

2x=5

x=5/2

x=2+1/2

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