r-3=9+7r

Simple and best practice solution for r-3=9+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 r-3=9+7r equation: 



r-3=9+7r

We move all terms to the left:

r-3-(9+7r)=0

We add all the numbers together, and all the variables

r-(7r+9)-3=0

We get rid of parentheses

r-7r-9-3=0

We add all the numbers together, and all the variables

-6r-12=0

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

-6r=12

r=12/-6

r=-2

See similar equations:

| 6x-5=2(3x-4) | | m/8=62.5/75 | | 3x+15+x+45=90 | | k=4L-4 | | 222/x=1.16 | | 4(y+2)-6y=2 | | C=82h+40 | | 5+5m=-5+3m | | 3x+13=42 | | -17=4-7y | | 5x-17=3x+95x−17=3x+9 | | n-3n=14-4n | | 196=104-y | | 4x-17=3x+14 | | B(-3d+2)=88 | | 14(12x+16)=10-3(x-2) | | 6b+7=3b+4 | | -10n-9=91 | | 3x+15=x+45 | | 3n+7=16; | | r-3=9+6r | | x^2+6x-24=4x-x^2 | | 13z−10z=18 | | 6+7i=7i+6= | | .75(3.5a-6= | | 9x(4+5)=27 | | -5r-18=13 | | 2/3x-4=19 | | 8x+2x=72+x | | 2k-8=-9+k | | 4u=–9+7u | | 5a-3a+a=15 |

Equations solver categories