13r-12r+r-1=11

Simple and best practice solution for 13r-12r+r-1=11 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 13r-12r+r-1=11 equation:


Simplifying
13r + -12r + r + -1 = 11

Reorder the terms:
-1 + 13r + -12r + r = 11

Combine like terms: 13r + -12r = 1r
-1 + 1r + r = 11

Combine like terms: 1r + r = 2r
-1 + 2r = 11

Solving
-1 + 2r = 11

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 2r = 11 + 1

Combine like terms: -1 + 1 = 0
0 + 2r = 11 + 1
2r = 11 + 1

Combine like terms: 11 + 1 = 12
2r = 12

Divide each side by '2'.
r = 6

Simplifying
r = 6

See similar equations:

| 10-16m+19m= | | 2x-.5x=2.25 | | 4p^2-20p+9=0 | | 13v=81+4v | | u=4+2 | | 4u-18=114 | | 3v-4v=81 | | 2x+500=2y+300 | | 6(4n-2)=-180 | | 2u+3=114 | | q=5+3 | | -3(5x-7)+2x=x+11 | | x(x-15-r)=-15r | | -4=-u/4 | | d=5+5 | | -576-(-24)(-9-9)=x | | 9j+4h+j= | | p=1+7 | | sinx-siny=-2 | | 4-7k-6= | | n=4-2 | | 11u-10u=-20 | | -2=-r/3 | | 2-(x+7)=3(2x+3) | | h+2=9 | | a^2-15a-xa+15x=0 | | t-2/3=3/4 | | -8=2h | | x^2-15x-ax+15a=0 | | -4x+2=4(2x+3)-3(-8+4x) | | x/y=m/n | | -8y-6=5 |

Equations solver categories