-7w+21=9(w+1)

Simple and best practice solution for -7w+21=9(w+1) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -7w+21=9(w+1) equation: 



-7w+21=9(w+1)

We move all terms to the left:

-7w+21-(9(w+1))=0



We calculate terms in parentheses: -(9(w+1)), so:

9(w+1)

We multiply parentheses

9w+9

Back to the equation:

-(9w+9)



We get rid of parentheses

-7w-9w-9+21=0

We add all the numbers together, and all the variables

-16w+12=0

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

-16w=-12

w=-12/-16

w=3/4

See similar equations:

| 3x-5=6x+9 | | -x²+22x-40=0 | | Y=3/5x-6/5 | | c+64=5c | | −1=-8+a | | -35=x-14+6x+7 | | −16+7x=65 | | u+1=5 | | 7x-20+3x=108 | | 1=w/2-8 | | p+28=2p | | 25+–5q=75 | | t+15=4t | | -30=-5(2x-8)-60 | | t+22=2t | | w-4.2=2.9 | | x+1.1=3.87 | | 66=6(n+75) | | x=24=2x | | y-7.3=8.27 | | 6z-18=84 | | 3v2+7v+3=0 | | 95=17+6w | | -(z-17)=-41 | | j2–39j=0 | | -(z-17=-41 | | u/8-46=-39 | | 3(-2x-6)=6(x+2)+6 | | 30+2x=28/5x+12=20 | | 57+9x+21+57=180 | | 30+2x=28 | | (1)/(2)(6x+18)=-3x |

Equations solver categories