70=(100)(0.30)+(0.70)(x)

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Solution for 70=(100)(0.30)+(0.70)(x) equation: 



70=(100)(0.30)+(0.70)(x)

We move all terms to the left:

70-((100)(0.30)+(0.70)(x))=0

We add all the numbers together, and all the variables

-(100(0.3)+(0.7)x)+70=0



We calculate terms in parentheses: -(100(0.3)+(0.7)x), so:

100(0.3)+(0.7)x

determiningTheFunctionDomain
(0.7)x+100(0.3)

We add all the numbers together, and all the variables

(0.7)x+30

We multiply parentheses

0.7x+30

Back to the equation:

-(0.7x+30)



We get rid of parentheses

-0.7x-30+70=0

We add all the numbers together, and all the variables

-0.7x+40=0

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

-0.7x=-40

x=-40/-0.7

x=57+0.1/0.7

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