12-2r=20

Simple and best practice solution for 12-2r=20 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 12-2r=20 equation:


Simplifying
12 + -2r = 20

Solving
12 + -2r = 20

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + -12 + -2r = 20 + -12

Combine like terms: 12 + -12 = 0
0 + -2r = 20 + -12
-2r = 20 + -12

Combine like terms: 20 + -12 = 8
-2r = 8

Divide each side by '-2'.
r = -4

Simplifying
r = -4

See similar equations:

| 2(x+6)+14/60=29/29 | | 11-7x=49-14x | | 2/5*x=40 | | (3x+2)+44=180 | | 2/5*40 | | 3/11=x/12 | | 5(b-7)= | | 10x+5+2x-2=72 | | 3x+11=7x+16 | | 3x+2+44=180 | | 3t-7=14 | | 2x+5=32 | | 8/3=x/3 | | 6x+5+x=4+4x+7 | | 8/3=U/10 | | x^3-2x^2-4x+9=0 | | 18x-7y/4 | | -x^2+20+9x=0 | | x+8/5x=52 | | 3-2m+7=m-8-6m | | (-2/(x-2))+(1/(x+4))=(1) | | 6(t-3)+4t=5(2t+2)-9 | | 0.5b-2=1 | | -0.66666666667t-3=-5 | | 196/1*29/49*1/16 | | -0.66666666667t-2=-3 | | 2x-11=45 | | 24=n/24 | | 44-2x=7x+22 | | 8x+25=3x+10 | | x+(x+50)=140 | | 360=24/n |

Equations solver categories