3(2+w)=21(1+w)

Solution for 3(2+w)=21(1+w) equation:

3(2+w)=21(1+w)

We move all terms to the left:

3(2+w)-(21(1+w))=0

We add all the numbers together, and all the variables

3(w+2)-(21(w+1))=0

We multiply parentheses

3w-(21(w+1))+6=0


We calculate terms in parentheses: -(21(w+1)), so:

21(w+1)

We multiply parentheses

21w+21

Back to the equation:

-(21w+21)


We get rid of parentheses

3w-21w-21+6=0

We add all the numbers together, and all the variables

-18w-15=0

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

-18w=15

w=15/-18

w=-5/6