8r+7-13=18

Simple and best practice solution for 8r+7-13=18 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 8r+7-13=18 equation: 


Simplifying
8r + 7 + -13 = 18

Reorder the terms:
7 + -13 + 8r = 18

Combine like terms: 7 + -13 = -6
-6 + 8r = 18

Solving
-6 + 8r = 18

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + 8r = 18 + 6

Combine like terms: -6 + 6 = 0
0 + 8r = 18 + 6
8r = 18 + 6

Combine like terms: 18 + 6 = 24
8r = 24

Divide each side by '8'.
r = 3

Simplifying
r = 3

See similar equations:

| 12+1+12= | | -6m^2+18m-36= | | x^2+15x+56.25=1+56.25 | | 0=2z^2-12z | | -8x+12+2=-30 | | 6-7(2-3x)=10-2(x-3) | | 9=40z-8 | | 2x-20=-4+x | | 3x+5=49 | | 1/2x=-3/2+4 | | 2z^2-12z=0 | | b^2+10b-1200=0 | | 4x^2+12=80 | | 2(3x+-4)=x+4 | | (8x-6)-7-2x=12 | | 9=49z-8 | | f(x)=x^2+2x-10whatisf(-2) | | 0=-.5gt^2+vt | | 0.3x=x-8 | | h=-5t^2+92t+16 | | 2x-5y=-125 | | 12-2(2x-5)=20 | | 3(k-5)=24 | | x-121x=0 | | 10.5a+6=12 | | -47+6x=12x+85 | | -2m=4(m-18) | | 72x+65=17x^2 | | 12w-4=-100 | | 3n-8n-16=0 | | -26+15= | | -(8n-2)=3+10(1-3) |

Equations solver categories