12r-19=-8r+31

Simple and best practice solution for 12r-19=-8r+31 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-19=-8r+31 equation:


Simplifying
12r + -19 = -8r + 31

Reorder the terms:
-19 + 12r = -8r + 31

Reorder the terms:
-19 + 12r = 31 + -8r

Solving
-19 + 12r = 31 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
-19 + 12r + 8r = 31 + -8r + 8r

Combine like terms: 12r + 8r = 20r
-19 + 20r = 31 + -8r + 8r

Combine like terms: -8r + 8r = 0
-19 + 20r = 31 + 0
-19 + 20r = 31

Add '19' to each side of the equation.
-19 + 19 + 20r = 31 + 19

Combine like terms: -19 + 19 = 0
0 + 20r = 31 + 19
20r = 31 + 19

Combine like terms: 31 + 19 = 50
20r = 50

Divide each side by '20'.
r = 2.5

Simplifying
r = 2.5

See similar equations:

| 3x^2+102=4x^2+11x | | x+.75=.67 | | x+.75=.6666666667x | | 9x^2-13x=1 | | 4x+6y=16 | | 3x^2-12x-63=0 | | 10+4x=-7x+10 | | 2(n+8)=8-2(n-8) | | 3x+10=3(5x+1)-5 | | 6x+4/4+9x+5/5=-6/5 | | -1+1n=11 | | 6(x+7)=5(x-3) | | 7au+3av+90au+3av= | | 6=x/0.5 | | 1/4+x=11 | | 1/4+x=6 | | 10g+6=12g | | 27=3(5x-1) | | x/(-7)=1.4 | | -8+-1= | | x+23=2(2x+4) | | 4(3x+1)=3x-23 | | 5(3x+1)+9=5x-26 | | 2(2x+5)-1=1 | | 3(a+4)=3 | | 2(5x+1)=-4x-40 | | 1/2(t-6)=1 | | 1/3(4d+6)=12d | | 2/3(g-4)=12 | | 10y=6y+9+3y | | y=4x^3-5x^2 | | -x+2+2x=2x+7 |

Equations solver categories