-1+r=21

Simple and best practice solution for -1+r=21 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 -1+r=21 equation: 



-1+r=21

We move all terms to the left:

-1+r-(21)=0

We add all the numbers together, and all the variables

r-22=0

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

r=22

See similar equations:

| 16+13.694x-1.3725x^2=0 | | h=144-16(1)^2 | | 17=4d-3 | | 3(2x-50)=27 | | 3(2x-500=27 | | -8.63x^2-1.6x+0.2=0 | | 3(2x-50=27 | | x+4=12x= | | (4.8-x)(6.4-x)/(4+x)(x)=7.63 | | x^2=17.1136-8.404x+0.995x^2 | | 70/4=140/x | | 6x−21=5x+17+x6 | | 45x^2=24 | | 6x-12=3x×30 | | 16m^2-8m+5=0 | | 5a-4(a+3)=0 | | 1(-2x+-9)=-13 | | 3^(x-1)=5 | | 3^x-1=5 | | -2(x+4)=-46 | | 5/8=14/15s | | 4(x+2)=5x+6 | | 80+10x=25x^2 | | 10x-9=9x+7 | | 6-0.25f=f=3 | | 3(2x-5)=4×+33 | | -5(x-0)=-50 | | 4x=54−5x | | 7-5(7-2x)=0 | | 7-5(8x+4)=2 | | 4r+8r+50=164 | | 70y2–3y–54=0) |

Equations solver categories