-12+3r+4r=8+2r

Simple and best practice solution for -12+3r+4r=8+2r 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+3r+4r=8+2r equation:


Simplifying
-12 + 3r + 4r = 8 + 2r

Combine like terms: 3r + 4r = 7r
-12 + 7r = 8 + 2r

Solving
-12 + 7r = 8 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-12 + 7r + -2r = 8 + 2r + -2r

Combine like terms: 7r + -2r = 5r
-12 + 5r = 8 + 2r + -2r

Combine like terms: 2r + -2r = 0
-12 + 5r = 8 + 0
-12 + 5r = 8

Add '12' to each side of the equation.
-12 + 12 + 5r = 8 + 12

Combine like terms: -12 + 12 = 0
0 + 5r = 8 + 12
5r = 8 + 12

Combine like terms: 8 + 12 = 20
5r = 20

Divide each side by '5'.
r = 4

Simplifying
r = 4

See similar equations:

| x^2-6x-4=12 | | 5h+h+-4h+1-2h= | | N/16=13 | | 9-11=-65 | | 1/6-4 | | -2/3-2/3-1/2== | | d-12=32 | | -2/3-2/3-1/2= | | x+y=10graphed | | y=4-2(-1/3) | | -5x-7+7x=2 | | 7x-14=5x-8 | | 9x-(-9)=6+3x | | j-12=19 | | -6(0.1x+0.2)-2.3=-0.5 | | 12=4r+20 | | -(6+2n)=6+4n | | 45v-5v^2= | | 2(4x-5)=3x-4+5x | | c+7=24 | | 1v^2+9v= | | -8x+15+10x-21=4 | | 1v^2-9v= | | 24+7a=-6(-3a+7) | | 3n+15+5n+37=180 | | -4x-12+6x+15=-2 | | https://lh5.googleusercontent.com/Cn4yRm6yC7IZ8j5AWrU31WhWdomTy-9GDFkmktDD-08qjtcAAwbiNbN9qzzAZVZxR1hjjFsIoQ=w394 | | 2cos^2x-3=5cosx | | 1-x=0.04 | | 143x-1+29=172x-1 | | 3f^2+2f+f^2= | | 4x+3x-6=1 |

Equations solver categories