18=7r-r

Simple and best practice solution for 18=7r-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 18=7r-r equation: 



18=7r-r

We move all terms to the left:

18-(7r-r)=0

We add all the numbers together, and all the variables

-(+6r)+18=0

We get rid of parentheses

-6r+18=0

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

-6r=-18

r=-18/-6

r=+3

See similar equations:

| 2x-11=2x+9 | | 6^3x+1=30 | | -x+6-9x=-14 | | 2,5x+12=912 | | 6p=-66 | | 6(-2k+2)=84 | | 3x+1/4=2x+2/4 | | 4x-2(7-3x)+5=5=0 | | -6=-5x+3x | | 5=-5r+4r | | 8+x/15=9 | | (4y+8)×5+7y=20y-9+7+14y | | 6u-30=3u | | v/31=7 | | 4x-33=5x-49 | | 5/13p=-20/19 | | -6=a+a | | 5y2-8y=2 | | -9+5x=2 | | 2/5(10x+15)=2(x+10 | | 5-3(6-2x)=0 | | 72x+9=x+ 132 | | 3x+x-182=0 | | 4c+25=c+31 | | 2x-4(2x+5)=0 | | 3/4=-4/7g | | 6(x−9)−4(x+5)=−1 | | m/5-7=2 | | 3(x+3)-2x=0 | | 8c-93=7c-76 | | 52x+1=26 | | (X+4(x+3)-x(x-2)=48 |

Equations solver categories