15=7r-2r

Simple and best practice solution for 15=7r-2r 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 15=7r-2r equation: 



15=7r-2r

We move all terms to the left:

15-(7r-2r)=0

We add all the numbers together, and all the variables

-(+5r)+15=0

We get rid of parentheses

-5r+15=0

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

-5r=-15

r=-15/-5

r=+3

See similar equations:

| 2x+3)-(5x-7)/6x+11=-8/3 | | 3x-80=x-12 | | 11=5u+6u | | 2x¨2-6x+6=0 | | 3x^2-10x-6=2x^2-6x-3 | | 2w-w-30=0 | | 2(r-3)=2r+5 | | 2=-c+14 | | 54=(40x+1200)/x | | 3a+36=180 | | -40=-5t+10t | | (1-w)^6=-27 | | -4(2x-3)+2x=-24 | | 5=3D-2d | | 9^2x(1/3)^x+2=27(3x)^-2 | | 8s-16=s+19 | | -15x+18=-8x+11 | | -14+2r+3=4r-13-7r | | s-15=3s-87 | | -2x-3+4x=10 | | -14+2r+3=4r-13-7 | | |3x-5|=2 | | 2(r-3)=12 | | 1/4y+2=1/10y | | 4n-3=28 | | 10=4c-2c | | 3y-90=y-12 | | 2x^2+8x+14=x^2+5x+2 | | 2a^2-11a-51=0 | | 6+1.2m=56.4 | | -4x+2(2x-3)=-6 | | 5=5z-4z |

Equations solver categories