3-r+2=8

Simple and best practice solution for 3-r+2=8 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 3-r+2=8 equation:


Simplifying
3 + -1r + 2 = 8

Reorder the terms:
3 + 2 + -1r = 8

Combine like terms: 3 + 2 = 5
5 + -1r = 8

Solving
5 + -1r = 8

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + -1r = 8 + -5

Combine like terms: 5 + -5 = 0
0 + -1r = 8 + -5
-1r = 8 + -5

Combine like terms: 8 + -5 = 3
-1r = 3

Divide each side by '-1'.
r = -3

Simplifying
r = -3

See similar equations:

| m^2-19m+90= | | 4xX= | | 12k-6z=24+6z | | 6x+8-2x=x+20 | | -5+-3=16 | | 5(-2x+-4)-3(4x+5)=97 | | 3d+4=2+3-0.5 | | 11(9-6y)+5(13y+1)=9 | | 4x+5y+5x+4y=4150 | | 4x+5=-7+4y | | t+68=-29 | | 5y^2+z^2-x-20y-4z+24=0 | | 16=-3+-5 | | 5x^2+7=97 | | 8q-7q=17 | | 13x-6=5x+18 | | .75+.25=.75m-.25 | | X+3+2=9 | | 21=-7(2z-1) | | 9+-7k=2+.77 | | 3(3b^2+5b-3)= | | 25-x^2-y^2= | | 1.25x+5=13.5x+14 | | 5s=145 | | 7(2-m)=3x | | 4-4n=-2(2n-2) | | 40C=26(14.50)+8 | | s^2-19=0 | | n^2+6n-37=0 | | 19-7x=-2(1+7x) | | 6=3c | | -6(4n-3)-6n=138 |

Equations solver categories