7r/7=21/7

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


r in (-oo:+oo)

(7*r)/7 = 21/7 // - 21/7

(7*r)/7-(21/7) = 0

(7*r)/7-3 = 0

r-3 = 0 // + 3

r = 3

r = 3

See similar equations:

| 2+y*4=10 | | 40/x=30/2.5 | | 7r*7=21*7 | | 2-(x+3)=32x | | 2x+8x-8=29 | | (8b-4)+(2b+7)=x | | Y=4.75+.60x | | 45/x=30/2.5 | | y=350+1.09 | | 3w=15/2 | | 4/5w-3/2=-2/3 | | 6u/5=18 | | Y^2-y-18=0 | | 4(n+2)=18+2n | | 10x^2-10x+36=0 | | 15ab+13ad= | | log(x/10^-2)=6.6 | | 3x(20-x)=100 | | 2y-3x=k | | x^2-31=x-1 | | 1=3x-6 | | 2x^2+x+60=0 | | 4-2x=16+2x | | 3+.5c=.75c-5 | | Y4=4/5x-2 | | 23.7=x-0.15x | | Sinx=0.358 | | 3x^2+31x-5.0=0 | | 7x-1=48-14x-14 | | 130/x=3,8 | | ln=-10+1.9059+2.1898 | | 10=1.9059+2.1898lnx |

Equations solver categories