21+r=-7

Simple and best practice solution for 21+r=-7 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 21+r=-7 equation: 



21+r=-7

We move all terms to the left:

21+r-(-7)=0

We add all the numbers together, and all the variables

r+28=0

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

r=-28

See similar equations:

| 0.9g+5=12.2 | | 26=y+15 | | -9x+20=-35 | | -3-1/2i=1/2(2i+10) | | 11=4u+3 | | n-5.9=9.1 | | (5x-1)/2=-2 | | 1/3b-6=-2 | | .5x-6=+7 | | 16x-4x=4 | | (3-2i)(1-4i)=0 | | y-(-25)=-10 | | 3x=4=13 | | -10.3=4.3+h | | −8p+3=−29 | | m/4-5=6 | | 5p^2=12-28p | | 4x+2(x+1)=8x-2 | | (x+6)+(3x+14)=180 | | 50x+10=180 | | 5x-6(2)=6 | | -3g-10=-61 | | -3(x-3)+2=-22 | | p-1=5=8p+3p | | (9x-19)=(9x-37) | | -5.9=b/5 | | 5x+1=8x—14 | | -3x+21=72 | | -11+x/5=-2 | | 3y−6=15 | | 3a+27=6a+6 | | 5x–25=5x-6 |

Equations solver categories