7r+8+2r=-3r-4

Simple and best practice solution for 7r+8+2r=-3r-4 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 7r+8+2r=-3r-4 equation: 



7r+8+2r=-3r-4

We move all terms to the left:

7r+8+2r-(-3r-4)=0

We add all the numbers together, and all the variables

9r-(-3r-4)+8=0

We get rid of parentheses

9r+3r+4+8=0

We add all the numbers together, and all the variables

12r+12=0

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

12r=-12

r=-12/12

r=-1

See similar equations:

| 1/3=4x=2(4x+2) | | 3x/5-27=24 | | 12-(x+x+x+10)=1560 | | 1/3+2x=1/4-4x | | -3(n+2)5=-23 | | V=1/33.14r | | -12=-2t/5 | | Y=2x-8÷3x-4 | | -16=26-21x | | -3n+14=-7(7n-2) | | X+1+x+2+2x=2x+(30–2x)+(30-2x) | | 9-m/6=18 | | n^2-14n-92=0 | | 6a-15=27 | | .95x=15+.80x | | 6x2=−19−15 | | 4n+19=5n+35 | | 6a-15=29 | | 2(3x-4)=4+8x-15 | | 5x-5/x-1=3 | | 5(x-3)-20=-55 | | 1.5x+6=-54 | | 9x^2-4=13 | | 6x-4(5x+9)=-204 | | Y=2x-8/3x-4 | | -9+s=13 | | 4×+y=8 | | -3x+18=-6 | | 13+m=52 | | -20m=14=10m+16 | | 9x^2-4=-13 | | 9a-13=54 |

Equations solver categories