E(x)=10x-30

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Solution for E(x)=10x-30 equation: 



(E)=10E-30

We move all terms to the left:

(E)-(10E-30)=0

We get rid of parentheses

E-10E+30=0

We add all the numbers together, and all the variables

-9E+30=0

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

-9E=-30

E=-30/-9

E=3+1/3

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