8x/7x=90

Simple and best practice solution for 8x/7x=90 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 8x/7x=90 equation: 


x in (-oo:+oo)

((8*x)/7)*x = 90 // - 90

((8*x)/7)*x-90 = 0

8/7*x^2 = 90 // : 8/7

x^2 = 315/4

x^2 = 315/4 // ^ 1/2

abs(x) = (315/4)^(1/2)

x = (315/4)^(1/2) or x = -(315/4)^(1/2)

x in { (315/4)^(1/2), -(315/4)^(1/2) }

See similar equations:

| 2(u+6)=4u+20 | | 14-13=x | | 6x+12=3x+11+2x+20 | | 8+5=x | | 7x+12=3x+16+3x+14 | | 5r-4=-8+7r | | 5/9x=6 | | x*x=576 | | 2(w+4)-8w=-22 | | 10x^2+14x-4=0 | | 7m+3-2m= | | 5(y+2)-3(2y-5)=25 | | 8(v-3)+2v=6 | | 4x+56=6x+4 | | 6x+2(4x-12)=60 | | 3x+2x+6x+x=360 | | 6+3(x+4)=13 | | Y(2)=ln(4x) | | 52-17+2n=55 | | 40-2.5r/0.5 | | 6x+15=(2x+21)+(3x+13) | | 12m-6=9m-3 | | 15p+6=-3(-5p-x) | | d^2+18d=0 | | 5x=2+6y | | 23+8a=7(a+4) | | X=(x-5)+1 | | 2y(5y-4y)= | | 6a=10 | | 3(2x+12)-6=14-(3x+11) | | 3(5)=.5(6x+24) | | 9=6n+3n |

Equations solver categories