7x+13=9012x-18=303.)10x+40=100

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Solution for 7x+13=9012x-18=303.)10x+40=100 equation: 



7x+13=9012x-18=303.)10x+40=100

We move all terms to the left:

7x+13-(9012x-18)=0

We get rid of parentheses

7x-9012x+18+13=0

We add all the numbers together, and all the variables

-9005x+31=0

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

-9005x=-31

x=-31/-9005

x=31/9005

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