r-(-21)=28

Simple and best practice solution for r-(-21)=28 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 r-(-21)=28 equation: 



r-(-21)=28

We move all terms to the left:

r-(-21)-(28)=0

determiningTheFunctionDomain
r-28-(-21)=0

We add all the numbers together, and all the variables

r-7=0

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

r=7

See similar equations:

| -12n-4(8+2n)=4.12/6 | | 6-2.3x2.7x=21 | | 5,280=2.5m | | 28+b=252 | | x/2.5=-5.2 | | 3(6-x)=27* | | g/1.6=10 | | 5x-49=x+11 | | 40+2x+x-8=180 | | 1=0.3x-0.9x-26 | | (3x+8)=3x+8 | | 10+5n=3n-10 | | 7x-x+4=4x+16 | | -4x-35=10 | | F(-3)=X^2-3x+1 | | -4(2c-11)=28 | | -12x-72=-120 | | 6+28b=252 | | c2−–8=11 | | h-9=7-h | | 2.23−3c=14.47 | | .7y=110 | | 7|2+x|-5=65 | | 3-4x=4x-6 | | -9g=-8g-2 | | 4n-8=n+4 | | 2.3y+4.4y-3.7=17 | | 3.41(w+3)=13.64 | | 60c+3c=8c | | 3x-9=27=1x | | -10s-8=8-8s | | 4x+21=13x−15 |

Equations solver categories