r+6-3r=12

Simple and best practice solution for r+6-3r=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 r+6-3r=12 equation:


Simplifying
r + 6 + -3r = 12

Reorder the terms:
6 + r + -3r = 12

Combine like terms: r + -3r = -2r
6 + -2r = 12

Solving
6 + -2r = 12

Solving for variable 'r'.

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

Add '-6' to each side of the equation.
6 + -6 + -2r = 12 + -6

Combine like terms: 6 + -6 = 0
0 + -2r = 12 + -6
-2r = 12 + -6

Combine like terms: 12 + -6 = 6
-2r = 6

Divide each side by '-2'.
r = -3

Simplifying
r = -3

See similar equations:

| 5x/2=-5 | | y/2-4y/5=9/10 | | 2b-5/7=b/3 | | 4x-13=x+20 | | 2y=-7x+22 | | n/6=2/9 | | 26=35e+20 | | 22-22=0 | | 26=35e+20(e-1) | | P=2(l+p) | | x=w+y | | 26=35e+20(1-e) | | 10x+27=17x | | 26=e(35+20) | | 2y+x-30=180 | | y/6=3/8 | | ln(x+3)-lnx=5 | | (x^2+3y)*(2x+3y)= | | 6x^2+6x-15=34-29x | | 4y=-5x+20 | | 2x-5x=6x-3x-3x | | -32/21y=-16/63 | | 4y=5x+-20 | | Ln(x+3)-lnc=5 | | 5x(x+60)= | | (5x-3)(3x+7)=0 | | 9.2=-log(x) | | 5x^2+5y^2=16 | | 37+26+3s=21 | | h(4x)=3x^2-2 | | 6-1/-3-(-1) | | 4(4)+1=17 |

Equations solver categories