r+8r=18

Simple and best practice solution for r+8r=18 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+8r=18 equation: 


Simplifying
r + 8r = 18

Combine like terms: r + 8r = 9r
9r = 18

Solving
9r = 18

Solving for variable 'r'.

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

Divide each side by '9'.
r = 2

Simplifying
r = 2

See similar equations:

| 5(x+4)=2.5x-5 | | 5x/9-1=0 | | 5x/9=0 | | -2-3/8f=13 | | 1/4-7/8(x)=-4 | | 16-4=0.03x | | 1/4-7/8(x)=4 | | (1/3)x-3=-8 | | 3x+3-5(x+1)=7x+5 | | (1/3)x-3=8 | | 9/10c+1/5c=1/9 | | 0.6(x-5)=x+1 | | y+5x(-1)=6 | | 6.5y-5.1=-10.1+5.5y | | x^3+23x-112=0 | | 4(2-3P)+5=-3(4P-2) | | 6+3(2-13(x-1))=15-18x | | 7/(9x+9)=(7/(x+1))-(7/9) | | 8x-32+5x=-32+13x | | 1/20-1/2=x+3/5 | | y+5/x=3/4 | | y+5/x+3/4 | | (2x-5)(x-1)=-15x-3 | | 5x-10(x+1)=-5x+13 | | 57x+23-42x=97 | | 5x-x=x/6-5/2 | | x^2-2x-64= | | 5(y-2)/4+3y=(2y-4)/3 | | 5(y-2)/4+3y=2y-4/3 | | x^2-4x-64= | | .54-.15x=.25x-.1 | | 3a+2b=0 |

Equations solver categories