0.7x+20=0.2(2x+x)

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Solution for 0.7x+20=0.2(2x+x) equation: 



0.7x+20=0.2(2x+x)

We move all terms to the left:

0.7x+20-(0.2(2x+x))=0

We add all the numbers together, and all the variables

0.7x-(0.2(+3x))+20=0



We calculate terms in parentheses: -(0.2(+3x)), so:

0.2(+3x)

We multiply parentheses

0.6x

Back to the equation:

-(0.6x)



We add all the numbers together, and all the variables

0.7x-(+0.6x)+20=0

We get rid of parentheses

0.7x-0.6x+20=0

We add all the numbers together, and all the variables

0.1x+20=0

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

0.1x=-20

x=-20/0.1

x=-200

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