30(x+1)=21(2x-6)

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Solution for 30(x+1)=21(2x-6) equation: 



30(x+1)=21(2x-6)

We move all terms to the left:

30(x+1)-(21(2x-6))=0

We multiply parentheses

30x-(21(2x-6))+30=0



We calculate terms in parentheses: -(21(2x-6)), so:

21(2x-6)

We multiply parentheses

42x-126

Back to the equation:

-(42x-126)



We get rid of parentheses

30x-42x+126+30=0

We add all the numbers together, and all the variables

-12x+156=0

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

-12x=-156

x=-156/-12

x=+13

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