7r+r=6(8r+2)-9(r-9)

Simple and best practice solution for 7r+r=6(8r+2)-9(r-9) 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 7r+r=6(8r+2)-9(r-9) equation: 



7r+r=6(8r+2)-9(r-9)

We move all terms to the left:

7r+r-(6(8r+2)-9(r-9))=0

We add all the numbers together, and all the variables

8r-(6(8r+2)-9(r-9))=0



We calculate terms in parentheses: -(6(8r+2)-9(r-9)), so:

6(8r+2)-9(r-9)

We multiply parentheses

48r-9r+12+81

We add all the numbers together, and all the variables

39r+93

Back to the equation:

-(39r+93)



We get rid of parentheses

8r-39r-93=0

We add all the numbers together, and all the variables

-31r-93=0

We move all terms containing r to the left, all other terms to the right

-31r=93

r=93/-31

r=-3

See similar equations:

| 2(v+6)-5v=0 | | 3/8n+1-17/6n=-47/12 | | 3x+(x+3)=5 | | -106=22+8(3p-4 | | 3x+(x+4)=5 | | 4x+2=105 | | 3x+(x+4)=10 | | 9a−a+4=12 | | 19+13-6x+2x=2x-10 | | -(k+12)-5(9-9k)=-9k-4k | | 10(t+1)=2(t-12)-22 | | .6h+82=85 | | 3/4x+10=17 | | 3.5x-15=6.5x+12 | | -72-3x=73-8x | | N^2+-56=n | | 1/2x+9=28 | | -5a+3/2a=-7/4 | | 3.25t+25=-1.75t | | 5(y+3)=9y-5 | | 1/5.x=7 | | x/9=3/6 | | 7/3=(2x+5)x | | 6x+15x+16=-5 | | 3.25t+1.75t=-25 | | -9+4x=x+2x | | 1.26x=0.5-x | | 2x+(x-3)=10 | | 7/3=(2x+5)/x | | 3.25t+1.75t=-8 | | 30+12d=90 | | -3x+(x-6)=10 |

Equations solver categories