15=420/z

Simple and best practice solution for 15=420/z 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 15=420/z equation: 



15=420/z

We move all terms to the left:

15-(420/z)=0



Domain of the equation: z)!=0

z!=0/1

z!=0

z∈R



We add all the numbers together, and all the variables

-(+420/z)+15=0

We get rid of parentheses

-420/z+15=0

We multiply all the terms by the denominator


15*z-420=0

We add all the numbers together, and all the variables

15z-420=0

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

15z=420

z=420/15

z=28

See similar equations:

| 704+.3x=1.9x | | (200/r)-1=200/(r-10) | | -2+y/3=3 | | (-1+21x)+19=33x | | 9x+39=39 | | 18q+1/3=-4 | | (14+12p)-4=15p | | 4s-5/7=5 | | 10=7t+5=2t | | 3p-2=-26 | | X+1/16=1/8+x-6/4 | | -2b+0=4 | | 8-2(1-4a)=6a | | 1.25(x-6)=15 | | -1/3z-7=9 | | 1.5x=-x | | 4(c-2)+17=3(c+5) | | 36+(7x-2)=90 | | 18/b=3/5 | | (2x+5)+(2x+17)=90 | | -(x+6)-(2x+3)-3x=2x+7 | | 170=x-0.6x | | 3+2x/6=2x-6 | | x-9=-3(x-20) | | N^2-20n+89=0 | | 13=39/x | | 180=(5x+38)+62 | | 0=30^2-105x-60 | | 3x=5(x+1)-2 | | 123b+469b+37+8=90 | | (0)=(5x-20)(6x+3) | | 4*2^5x=64 |

Equations solver categories