-7.2=1.3(x+21.4)

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Solution for -7.2=1.3(x+21.4) equation: 



-7.2=1.3(x+21.4)

We move all terms to the left:

-7.2-(1.3(x+21.4))=0



We calculate terms in parentheses: -(1.3(x+21.4)), so:

1.3(x+21.4)

We multiply parentheses

1.3x+27.82

Back to the equation:

-(1.3x+27.82)



We get rid of parentheses

-1.3x-27.82-7.2=0

We add all the numbers together, and all the variables

-1.3x-35.02=0

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

-1.3x=35.02

x=35.02/-1.3

x=-26+1/1.0655737704918

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