8r+11=21+6r

Simple and best practice solution for 8r+11=21+6r 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+11=21+6r equation:


Simplifying
8r + 11 = 21 + 6r

Reorder the terms:
11 + 8r = 21 + 6r

Solving
11 + 8r = 21 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
11 + 8r + -6r = 21 + 6r + -6r

Combine like terms: 8r + -6r = 2r
11 + 2r = 21 + 6r + -6r

Combine like terms: 6r + -6r = 0
11 + 2r = 21 + 0
11 + 2r = 21

Add '-11' to each side of the equation.
11 + -11 + 2r = 21 + -11

Combine like terms: 11 + -11 = 0
0 + 2r = 21 + -11
2r = 21 + -11

Combine like terms: 21 + -11 = 10
2r = 10

Divide each side by '2'.
r = 5

Simplifying
r = 5

See similar equations:

| 12-y=-13 | | 3x+2=2x+x+7 | | -6-5v+v^2=0 | | 8-3s=2s+15 | | 3x+13=6x+1 | | 150y+0.2x=80y+0.7 | | -3d-4=5.9 | | 2x+16=50x+60 | | 8-8r=104 | | 3*(x+6)=33 | | 6c+2c-1+3=66 | | 2*x(x-1)=3*x*x+1 | | 9x+6x+12x=-7x+2x-12+5x | | x^2-14x=-50 | | 4x-3y+2z=26 | | (3+2j)-(4-3j)= | | 11+7q=15-6q | | -3+x=4x-43 | | 5x+40+5x=90 | | 1.2(2d+2)=4.8-(0.6+3) | | 2x+7-9x=14-16x+9x-7 | | 5+40+5x=90 | | Y+2z=13 | | 7p=209 | | 5x+2x+y=180 | | 5x+2x+x=180 | | x-5-4-3x=12-5-x-x | | z^2=2+2i | | c-(3-c)+2c=3c+3 | | 7y=35y+180 | | 8n=3(n+4)+n | | 4x-12+2x+10=34 |

Equations solver categories