3r+7=r+9

Simple and best practice solution for 3r+7=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 3r+7=r+9 equation: 



3r+7=r+9

We move all terms to the left:

3r+7-(r+9)=0

We get rid of parentheses

3r-r-9+7=0

We add all the numbers together, and all the variables

2r-2=0

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

2r=2

r=2/2

r=1

See similar equations:

| -26+12y+2=12 | | 27f=324 | | k/26=7 | | 4/7x+5/14x=36 | | H(t)=-16+128t | | 4x+8=9x-12= | | 3m*12=200 | | 3/4x=2.3/4 | | -2+3x+x=42 | | x/9+1=3 | | 810=6f | | b/11=19 | | r/10=19 | | r÷8=5 | | m/15=28 | | 29q=406 | | 6x+10=5x=1 | | 226+2x+97+2x=360 | | -4x+2=7x+14 | | 3(x+7)+5x=3x+1+2(x+1) | | -6+7n=13 | | 357=3q | | (2x–1)^2=25. | | 29=h/14 | | 5n+-18=7 | | 11d=451 | | 9-2x+7/3=4/6-1/3 | | d/31=24 | | 10=n/25 | | 15x2+630−165x=0 | | 7c=630 | | 15x^2+630−165x=0 |

Equations solver categories