30-x=3(x+6)=3

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Solution for 30-x=3(x+6)=3 equation: 



30-x=3(x+6)=3

We move all terms to the left:

30-x-(3(x+6))=0

We add all the numbers together, and all the variables

-1x-(3(x+6))+30=0



We calculate terms in parentheses: -(3(x+6)), so:

3(x+6)

We multiply parentheses

3x+18

Back to the equation:

-(3x+18)



We get rid of parentheses

-1x-3x-18+30=0

We add all the numbers together, and all the variables

-4x+12=0

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

-4x=-12

x=-12/-4

x=+3

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