9=3+-2r

Simple and best practice solution for 9=3+-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 9=3+-2r equation: 



9=3+-2r

We move all terms to the left:

9-(3+-2r)=0

We add all the numbers together, and all the variables

-(-2r)+9=0

We get rid of parentheses

2r+9=0

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

2r=-9

r=-9/2

r=-4+1/2

See similar equations:

| −5p+41=11 | | −9x+82=31 | | -9k+3k-10k+7k=-18 | | (7x-18)=3x+6 | | n2+n-600=0 | | f/9-25=28 | | (2.6x)+x=1=180 | | 5x+5x+5x=30 | | 6-6x=5x-9x2 | | x+6*8-7=-1 | | -x-17=x+89 | | 3+5+h=20 | | 3/9x+6/8=13/22 | | -3(2m+5)=33 | | -1/3x+6=-6+2/3x | | 8.5x+900=72.25+30x | | 8z-12=20 | | 6x-20,4=0 | | -8.75x+14=-5.25x-3 | | (11x-12)+(7x-8)=180 | | 11/4=d+7—8 | | .5x–3=13–3x | | (4x+15)+(8x+8)+(2x+17)=180 | | -12x+6x-2=10x | | 7+(1/3)x=4 | | {x+3}{3}=9 | | (11x-1)+(20x-3)+151=180 | | 4×(x-2)=3x | | -38=x/2 | | 6/(x+4)=1/2 | | -2(3y-5)=2(y+9) | | 10+6x=12+5x |

Equations solver categories