-18=-r+7r

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



-18=-r+7r

We move all terms to the left:

-18-(-r+7r)=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:

| 6n+5=53 | | 2(2+8n)=-92 | | 5x+20/13=0 | | 54+2x=5x-6-18x. | | 2a-5=-3a1 | | 5x-20=31 | | 2a5=3a1 | | -x+4=11. | | -7t=18 | | 7x+35x+9=9x+5 | | 9f+12f=-21 | | 2x+6+x-3=90 | | 18+14x=452 | | 3(5x+1)=4(2x-1) | | 1-r+12=-9(-11r+3)+5(-6-6r) | | -9x+7=196 | | 1-x/2=x+1/2+x | | n-9/2=-7 | | b÷-2=5 | | F(-3)=-2+3t^2-4t | | 8(u+6)=-6u+6 | | n/12-6=-4 | | (-21)x=-126 | | 12(m+10)=336 | | -5/4=-2/3u-3/5 | | 12/75=2.5/x | | -8(3+k)=-152 | | 4.25m=36+3.5m | | 21=9+3x/4 | | 7(x-12)=-182 | | F(3)=2(5)x | | 13-m=(-4+m)÷2 |

Equations solver categories