63-9(7-5x)=15(10+x)+640.73688

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Solution for 63-9(7-5x)=15(10+x)+640.73688 equation: 



63-9(7-5x)=15(10+x)+640.73688

We move all terms to the left:

63-9(7-5x)-(15(10+x)+640.73688)=0

We add all the numbers together, and all the variables

-9(-5x+7)-(15(x+10)+640.73688)+63=0

We multiply parentheses

45x-(15(x+10)+640.73688)-63+63=0



We calculate terms in parentheses: -(15(x+10)+640.73688), so:

15(x+10)+640.73688

We multiply parentheses

15x+150+640.73688

We add all the numbers together, and all the variables

15x+790.73688

Back to the equation:

-(15x+790.73688)



We add all the numbers together, and all the variables

45x-(15x+790.73688)=0

We get rid of parentheses

45x-15x-790.73688=0

We add all the numbers together, and all the variables

30x-790.73688=0

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

30x=790.73688

x=790.73688/30

x=26+1/2.7941077855

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