-1.4x=7(x+2.15)

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Solution for -1.4x=7(x+2.15) equation: 



-1.4x=7(x+2.15)

We move all terms to the left:

-1.4x-(7(x+2.15))=0



We calculate terms in parentheses: -(7(x+2.15)), so:

7(x+2.15)

We multiply parentheses

7x+15.05

Back to the equation:

-(7x+15.05)



We get rid of parentheses

-1.4x-7x-15.05=0

We add all the numbers together, and all the variables

-8.4x-15.05=0

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

-8.4x=15.05

x=15.05/-8.4

x=-1+2.5094339622642/3.1698113207547

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