7-21x/15x-5

Simple and best practice solution for 7-21x/15x-5 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 7-21x/15x-5 equation: 


x in (-oo:+oo)

7-(((21*x)/15)*x)-5 = 0

(-7/5)*x^2-5+7 = 0

-7/5*x^2 = -2 // : -7/5

x^2 = 10/7

x^2 = 10/7 // ^ 1/2

abs(x) = (10/7)^(1/2)

x = (10/7)^(1/2) or x = -(10/7)^(1/2)

x in { (10/7)^(1/2), -(10/7)^(1/2) }

See similar equations:

| 2x+150=5x+121 | | y=6/10x | | 23y-y^2=76 | | 2x+150=5x+151 | | 7-4x+2=2x+3 | | 8m-21=35 | | 3e^2x-7=50 | | 4x+18=2x+36 | | 3e=50 | | -9+8k-3-6k= | | 81x=5y | | 4x+18=2x+34 | | 6y-11y=-28-37 | | (t-3)(t-4)=0 | | 3(x+2)-4(2-x)=-2+7x | | k^2+8=-2k | | 8x+72=2x+24 | | 3a^2-8a=-4 | | 5x+41-6x=2-7x+3 | | 5xy-xy+2x-y= | | 350000=0.15x | | -8u=96 | | -12=-3c-3c | | 5v^2=-9-18v | | 2x-6=3-2.5x | | 4x-82=2x+24 | | 9n+9=-36 | | 12-(x-2.5)=210 | | 3(3c-1)-4=7c+3 | | 36+x^2=85 | | -6r+24=-48 | | 3(2X+3)-2(X-3)=7(X-4)-20 |

Equations solver categories