0.7(13-x)=1.05(9-x)

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Solution for 0.7(13-x)=1.05(9-x) equation: 



0.7(13-x)=1.05(9-x)

We move all terms to the left:

0.7(13-x)-(1.05(9-x))=0

We add all the numbers together, and all the variables

0.7(-1x+13)-(1.05(-1x+9))=0

We multiply parentheses

-0.7x-(1.05(-1x+9))+9.1=0



We calculate terms in parentheses: -(1.05(-1x+9)), so:

1.05(-1x+9)

We multiply parentheses

-1.05x+9.45

Back to the equation:

-(-1.05x+9.45)



We get rid of parentheses

-0.7x+1.05x-9.45+9.1=0

We add all the numbers together, and all the variables

0.35x-0.35=0

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

0.35x=0.35

x=0.35/0.35

x=1

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