.3(7x+42)=2.1(x+6)

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Solution for .3(7x+42)=2.1(x+6) equation: 



.3(7x+42)=2.1(x+6)

We move all terms to the left:

.3(7x+42)-(2.1(x+6))=0

We multiply parentheses

2.1x-(2.1(x+6))+12.6=0



We calculate terms in parentheses: -(2.1(x+6)), so:

2.1(x+6)

We multiply parentheses

2.1x+12.6

Back to the equation:

-(2.1x+12.6)



We get rid of parentheses

2.1x-2.1x-12.6+12.6=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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