11r+2r=7r-12

Simple and best practice solution for 11r+2r=7r-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 11r+2r=7r-12 equation: 


Simplifying
11r + 2r = 7r + -12

Combine like terms: 11r + 2r = 13r
13r = 7r + -12

Reorder the terms:
13r = -12 + 7r

Solving
13r = -12 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
13r + -7r = -12 + 7r + -7r

Combine like terms: 13r + -7r = 6r
6r = -12 + 7r + -7r

Combine like terms: 7r + -7r = 0
6r = -12 + 0
6r = -12

Divide each side by '6'.
r = -2

Simplifying
r = -2

See similar equations:

| 6x(4-x)= | | -x-22=2(x-2) | | f(x)=3x^2+8x+4 | | 7(-3y+2)=8(8+7y) | | 14x+149=6+13 | | 10b=18 | | 6h+3h=52 | | x-25=2(x-30)-3(x-45) | | 9x+3=-8+7x+23 | | 6z-2=8 | | 3m^2/3=1/3 | | f(5)=5x+6x | | 6x-1=10x+8 | | 6(x-4)=5y+2 | | x+(x+9)=60 | | 8.4r+2.7=44.7 | | 63=3r+6 | | y=-5ln(2)+3ln(3) | | 3(C-2)+4=2+C-4 | | ln(x^2+6x)=0 | | Ln(x)+-1x=Ln(0.95) | | -6x-6+8x=-7x+6 | | 5m+7=3m-2 | | -(2x-1)-(3x+5)=-4x+12 | | w-18=4w | | 6x+y=44 | | y/z/z/t=1 | | 9-8N+3N=33-99 | | M-35=180 | | 231+3x=360 | | Ln(x)-x=Ln(0.05) | | 10x+1-1=70 |

Equations solver categories