4.2x-3.5=2.1(x+8)

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Solution for 4.2x-3.5=2.1(x+8) equation: 



4.2x-3.5=2.1(x+8)

We move all terms to the left:

4.2x-3.5-(2.1(x+8))=0



We calculate terms in parentheses: -(2.1(x+8)), so:

2.1(x+8)

We multiply parentheses

2.1x+16.8

Back to the equation:

-(2.1x+16.8)



We get rid of parentheses

4.2x-2.1x-16.8-3.5=0

We add all the numbers together, and all the variables

2.1x-20.3=0

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

2.1x=20.3

x=20.3/2.1

x=9+1/1.5

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