-3r=9-4r

Simple and best practice solution for -3r=9-4r 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 -3r=9-4r equation: 



-3r=9-4r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-3r+4r-9=0

We add all the numbers together, and all the variables

r-9=0

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

r=9

See similar equations:

| 2{x+4}-x=9 | | 2(L+w)=126 | | 2/3-a=1/3 | | -(n+1)+3n=8+2n | | 4+5-3+x=7 | | 7v=8v+5 | | 5(x–2)=(-x+4) | | -x^2+4x-17=0 | | 5w+1=14-3w | | F(x)=17x-30 | | (8p-87)+(-5p+9)=567 | | k+12=40 | | 7n-33=4n=6 | | 90=x+1.5x | | 6p+-8p=20 | | 4x+16=-14 | | 12(-8+10x)=-20 | | 12x^2+9x+12=0 | | 45x+22.50=30x+25.00 | | 2x2+2=402 | | x−11=49 | | -100(x-5)=4x+20 | | -9.7k=-15.28-10.5k | | 30x=6(3x+4 | | 4(2x+)=28 | | 2x+49=5-2(-x-5) | | 2x2=4x-5 | | 4x-42+2x=90 | | x/2.5=12 | | x+1400=2100 | | 10x=-3x+7 | | 9x-54+8x-39=180 |

Equations solver categories