-7r+2r=20

Simple and best practice solution for -7r+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 -7r+2r=20 equation: 


Simplifying
-7r + 2r = 20

Combine like terms: -7r + 2r = -5r
-5r = 20

Solving
-5r = 20

Solving for variable 'r'.

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

Divide each side by '-5'.
r = -4

Simplifying
r = -4

See similar equations:

| x-8.7=4.6 | | 10c/4-16/2=57/8 | | 3d-12ford=10 | | 9=2x+7x+9 | | 3+3+5X^2-8/2+9 | | A-a+4a-3=13 | | 3+35X^2-8/2+9 | | 2x+2/2-2x/x-2=x | | 3y-28=-21+2y | | 3t^2+6t+3= | | 7y=2y-3 | | -2/7+y=-1/2 | | 3(x-2)-5(x-3)=17 | | 8m-5m=18 | | 6t-7=-17+4t | | -6x-6+4x=-26 | | 14z-13z+4=13 | | 3+9/4=9/x+4 | | 2/3j=-21 | | 3x-6=5x-4 | | 4b-b+b=8 | | 5/x-2=5/4 | | 6x-5=2x | | (7y+7)-(4+6y)=6 | | 3p+3p+4p+1=11 | | 2=6+x/2 | | 7e-19=-12 | | 0.2y+7.8=54.6 | | 4.6/m=1.5 | | x+x+5/8=x+5/16 | | -3x+7=-x+1 | | 6x+3(4x-11)=183 |

Equations solver categories