3r-7s=9

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


Simplifying
3r + -7s = 9

Solving
3r + -7s = 9

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '7s' to each side of the equation.
3r + -7s + 7s = 9 + 7s

Combine like terms: -7s + 7s = 0
3r + 0 = 9 + 7s
3r = 9 + 7s

Divide each side by '3'.
r = 3 + 2.333333333s

Simplifying
r = 3 + 2.333333333s

See similar equations:

| 3x+4=7x+1 | | .12=.81x | | x(x-1)+2x-2=(x+3)(x-1) | | x^2-11x+8=2 | | 25-35= | | Y=-1.78x+1800 | | Y=8x^2+12x+14 | | 5x+8=5x-15 | | (X-4)/(x2-4) | | Y=12.75x+0 | | 206x*2=103 | | 31x+7=15x+13 | | 2x+3=4(x-3)-2x+1 | | 12.75x+0=1.78x+1800 | | -6sin(pi/3) | | .07+.09(2x+44000)=30460 | | 6849x/206x | | x^4-6x^2-4-3=0 | | r^2+z^2=25 | | 4x^5+4x-48x=0 | | 1.2(6x-4)=4x-9 | | 5m=1/5cw | | 3x^4+48x=23 | | 6cos(pi/3) | | 2(x-5)-3(x+2)=8 | | 84=-6(-x-8) | | 25+-18= | | 115=5(2p+7) | | (x-(3-i))(x-(3+i))=o | | -6x-2(-3)=12 | | 3x-1/2y=9 | | 3(-8+5n)-3n=-84 |

Equations solver categories