X+0.4(7)=0.7(x+7)

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Solution for X+0.4(7)=0.7(x+7) equation: 



X+0.4(7)=0.7(X+7)

We move all terms to the left:

X+0.4(7)-(0.7(X+7))=0



We calculate terms in parentheses: -(0.7(X+7)), so:

0.7(X+7)

We multiply parentheses

0.7X+4.9

Back to the equation:

-(0.7X+4.9)



We get rid of parentheses

X-0.7X-4.9+0.47=0

We add all the numbers together, and all the variables

0.3X-4.43=0

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

0.3X=4.43

X=4.43/0.3

X=14+0.23/0.3

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