21=14+r

Simple and best practice solution for 21=14+r 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 21=14+r equation: 



21=14+r

We move all terms to the left:

21-(14+r)=0

We add all the numbers together, and all the variables

-(r+14)+21=0

We get rid of parentheses

-r-14+21=0

We add all the numbers together, and all the variables

-1r+7=0

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

-r=-7

r=-7/-1

r=+7

See similar equations:

| 2/7k+1=5 | | 136/x=2 | | x+2/5=3+3x-16/3 | | 3x-9+1x+1=180 | | 4y-46=98 | | 14x-49=63 | | t+259=1.231 | | 427=7(5+7p) | | 84=-6(2x+2) | | x-5+(55-2x)+x=50 | | x-5+(45-2x)+x=50 | | x+(45-2x)+x+5=50 | | 9x-21=110+2x | | 7x-30=50-x | | -3x2-10x=-48 | | x+(x*2)=52 | | 2b-26=b-3 | | 6s-22=19s-74 | | 7x-65=9x-95 | | (-4.9x^2)+33x+4=0 | | 3t=5+50 | | 6(4x+4)=-168 | | 2k+6=3(2k-14 | | 5z-1=-12 | | r/5*8=11 | | 80.8=86.8-0.5x | | 1y-7=-23 | | 3/4(y-16)=1/4-2 | | 187=t(704+59) | | 1/4x-2+3x=3/2x+33/2x | | 6r-7/10=r4 | | 14.8-5w=2.3 |

Equations solver categories