7x-21/3x-9

Simple and best practice solution for 7x-21/3x-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 7x-21/3x-9 equation: 


x in (-oo:+oo)

7*x-((21/3)*x)-9 = 0

7*x-7*x-9 = 0

-9 = 0

x belongs to the empty set

x belongs to the empty set

See similar equations:

| 3/4-1/5(1/2y-7)=9(y-3/4) | | 6x-9(9-7x)=8(x-8)+16 | | 18b-21+14x-12bx= | | 6/x-6=2/5 | | Y+x=y^2+2y | | 6r*2-11r+5=0 | | 1/5(x-2)=20 | | x*5=18 | | 2.5y^2+1.5y-3x^2=2x^2 | | w(1.5+1)+2=17 | | x.5=18 | | 53x+23.5x=5000 | | 0.75+n=-2.5 | | x+3x=x+12 | | x+2x=9+1 | | y=-0.3x+90 | | 20=9k | | 36x-9/9 | | 6x-10y=180 | | 9y=36(1/4)-9 | | y=-.3x+90 | | D=180-(x+28) | | y=m(m+3)+(m+3)x-x^2 | | {1-(50000/1000000)^(1/10)}*100 | | (2/3a-1)(3/4a-7) | | 3sinx=3^1/2cosx | | (x-45)/x=0.09 | | 28x-2y=11078 | | 40x-y=5275 | | a^10=x | | sqrt(2)=x | | 2(u-1)=2u+9-3(-6u-1) |

Equations solver categories