-9-r=7r+7

Simple and best practice solution for -9-r=7r+7 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 -9-r=7r+7 equation: 



-9-r=7r+7

We move all terms to the left:

-9-r-(7r+7)=0

We add all the numbers together, and all the variables

-1r-(7r+7)-9=0

We get rid of parentheses

-1r-7r-7-9=0

We add all the numbers together, and all the variables

-8r-16=0

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

-8r=16

r=16/-8

r=-2

See similar equations:

| 2(-10+x)=30 | | −x^2−7x=3 | | -5(-26-4y)-2y=-14 | | -6x+4=30-3x | | -2(x+5)/3=-2 | | Y+1-5/2x=0 | | 7÷9=2n+1÷9 | | 68=4x+10+2 | | 10-(4z-6)=2-5z | | 21x+54=180 | | 4/5*(x-2)=4x+32 | | 5+7x+27=3(11x+2) | | −x2−7x=3 | | v/4=-9/4 | | 21x+50=180 | | z+7=7.3 | | 11x-x2=0 | | 5/3x+6=7/2x+15/2 | | 3b/2+b+90+(2b-90)+(b+45)=540 | | 900÷d=60 | | 10(-y+8)=20 | | n=9/n+7=4/3 | | 0.2(6x+1)/3.6=0.5x/9 | | 2x^2+21x+54=180 | | -p^2+2p=0 | | 2x^2-189x-95=0 | | x^2-27x+4=0 | | 7v-8v=8 | | n+7=6.2 | | (2x+16)2=45 | | 3(x-2)-4(2x-3)=-44 | | 8-5x=-36 |

Equations solver categories