-7r+12r=20

Simple and best practice solution for -7r+12r=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+12r=20 equation: 


Simplifying
-7r + 12r = 20

Combine like terms: -7r + 12r = 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:

| 4x-3y=-12fory | | n*2.5=3 | | 8x-14x=21x+1 | | 3x-2+2x=4x+3 | | 2x+6=4star | | (n+7)(n-2)-n(n+5)=66 | | 14d-11d+d-2d-d=18 | | 3(2x-2)=2(x+3) | | 8t^3-8t= | | w=5.2x+20.2 | | (n+7)(n-2)-n(n+5)=67 | | 5c+2c-5c=12 | | 2(n+4)=12 | | a*7=63 | | 2x+8y=116 | | 3t+4t-2t-4t=11 | | 15n+9-3n=180 | | 2(n+7)=20 | | 3x^3-6x-3=0 | | 4x+5+7x+2y+2-1y= | | 9x+6x^4= | | 15n+93n=180 | | 3w+20w+-13w+-3w+-13w=12 | | x-7y=61 | | 2q-q=9 | | 3-5x+9=24 | | 5(x-1)+2x+3=40 | | 15n+3(3-n)=180 | | 7(n-2)=5(n+2) | | 11n-9n=2 | | 22x+9+37x-6=180 | | 11n-9n=12 |

Equations solver categories