-18-21r=-12

Simple and best practice solution for -18-21r=-12 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 -18-21r=-12 equation: 


Simplifying
-18 + -21r = -12

Solving
-18 + -21r = -12

Solving for variable 'r'.

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

Add '18' to each side of the equation.
-18 + 18 + -21r = -12 + 18

Combine like terms: -18 + 18 = 0
0 + -21r = -12 + 18
-21r = -12 + 18

Combine like terms: -12 + 18 = 6
-21r = 6

Divide each side by '-21'.
r = -0.2857142857

Simplifying
r = -0.2857142857

See similar equations:

| x^2+x-196=244 | | 5x-9=76 | | -3c+6=-24 | | 5-25q=10 | | -3(2x-4)=-6x-12 | | 5x+x=13 | | 6x+20=10x-4 | | 9-5x=76 | | n=m-0.4 | | 2(x-4)=3x-7 | | 3a=5a+33 | | x^2+x-440=0 | | -6p+15=6 | | 4c+4=c+10 | | -8j+1=81+2j | | 12x-(y-6x)+y= | | 9z-6=-3 | | 1.9(-0.24x+1.5)=-.3x+3.5988 | | -4(-3x-1)=-10(x-4)-14x | | -6=5t+25 | | p=8p-49 | | 474/57466= | | -12y-8=-4 | | 4y-2+y+13=7y+20-5y | | 24a-22=-4(-1-6a) | | 7(x+7)-20=6x | | 27+-11x=x+-33 | | -4(-3+1)=-10(x-4)-14x | | 10(x+4)=7x+9 | | 10(1-2r)-2(6r+5)=4r+9r | | 4a-a+24=0 | | 4a-a+25=0 |

Equations solver categories