12r+r-12r-1=19

Simple and best practice solution for 12r+r-12r-1=19 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 12r+r-12r-1=19 equation:


Simplifying
12r + r + -12r + -1 = 19

Reorder the terms:
-1 + 12r + r + -12r = 19

Combine like terms: 12r + r = 13r
-1 + 13r + -12r = 19

Combine like terms: 13r + -12r = 1r
-1 + 1r = 19

Solving
-1 + 1r = 19

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 + 1r = 19 + 1

Combine like terms: -1 + 1 = 0
0 + 1r = 19 + 1
1r = 19 + 1

Combine like terms: 19 + 1 = 20
1r = 20

Divide each side by '1'.
r = 20

Simplifying
r = 20

See similar equations:

| X^16-5x^8-66=0 | | 3m+17=-13 | | 3x+8y-5=180 | | 2m+5.5m=15 | | 4n-(n+6)=9 | | 2u-(-5)=23 | | 18ln(x)=15 | | 9=-3x/2 | | 3-2n=-12-5n | | 2x^5+14x^3-88=0 | | 3x-3x+x=14 | | 3m+17=-3 | | 0.25(8z-4)=-z-1+3z | | 1.6+-4= | | 67w=5561 | | 10(2lw)+6(2hw)+(2lh)=0 | | 2y-4=-24 | | 6-4x=6x+6 | | 3.5m-4=2.5m-5 | | 5.48*4= | | 2x(6)+(x)(3)=180 | | lny=5x-9 | | -3x+-20x-2x-18x-10x=-9 | | 5(12-3p)=15p+5 | | 3a-9=3 | | 2x+62=2x-59 | | 2r^2+4r-2=0 | | a+2b+(b-15)=109 | | 6x-10x-50=-18 | | 2x+6(x-1)=12-8(2x+3) | | -4(8+5k)= | | 2c-9=-13 |

Equations solver categories