2r+8=12r+13

Simple and best practice solution for 2r+8=12r+13 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 2r+8=12r+13 equation:


Simplifying
2r + 8 = 12r + 13

Reorder the terms:
8 + 2r = 12r + 13

Reorder the terms:
8 + 2r = 13 + 12r

Solving
8 + 2r = 13 + 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
8 + 2r + -12r = 13 + 12r + -12r

Combine like terms: 2r + -12r = -10r
8 + -10r = 13 + 12r + -12r

Combine like terms: 12r + -12r = 0
8 + -10r = 13 + 0
8 + -10r = 13

Add '-8' to each side of the equation.
8 + -8 + -10r = 13 + -8

Combine like terms: 8 + -8 = 0
0 + -10r = 13 + -8
-10r = 13 + -8

Combine like terms: 13 + -8 = 5
-10r = 5

Divide each side by '-10'.
r = -0.5

Simplifying
r = -0.5

See similar equations:

| Cos*x=0.59 | | x-11=-38 | | 2x-4x+21=4x+39 | | 0.4(2x+4)=0.3x+6 | | 6(2p-3)+p= | | w/4=64 | | 1+11=-3(9x-4) | | 6(2n+1)=6(6n-3) | | 12x-13+-6x=17 | | 0.4(2x+4)=0.3+6 | | X+6(3x-2)= | | -2x+9-3x=4-5x+5 | | d=54c-7 | | 0.1x+2.4x=8.6-1.8+2.3x | | 8/1000 | | a*(a^1/2) | | y+11=4 | | 2(2x-4)+1=3x-7 | | 8x-2y=120 | | -9x-2=-2x+12 | | 7x-13-5x+17=-2 | | -0.5x=2.5 | | 11b-1=32 | | 7x-2w=180 | | 10(4+5x)=-6(-12-8x) | | A*a^1/2 | | 4x+15-2x+19=-2 | | 1/2-x=8 | | 2x+3-4(x+1)=6x+4 | | 2(x+7)-18=20 | | (3x+39)=180 | | 0.45x+0.30(240-x)=84 |

Equations solver categories