13*40+19.5(40-x)=1000

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Solution for 13*40+19.5(40-x)=1000 equation: 



13*40+19.5(40-x)=1000

We move all terms to the left:

13*40+19.5(40-x)-(1000)=0

determiningTheFunctionDomain
19.5(40-x)-1000+13*40=0

We add all the numbers together, and all the variables

19.5(-1x+40)-1000+13*40=0

We add all the numbers together, and all the variables

19.5(-1x+40)-480=0

We multiply parentheses

-19.5x+780-480=0

We add all the numbers together, and all the variables

-19.5x+300=0

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

-19.5x=-300

x=-300/-19.5

x=15+5/13

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