21-9z=84

Simple and best practice solution for 21-9z=84 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 21-9z=84 equation: 



21-9z=84

We move all terms to the left:

21-9z-(84)=0

We add all the numbers together, and all the variables

-9z-63=0

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

-9z=63

z=63/-9

z=-7

See similar equations:

| 46(27x)=414 | | 4+2(x−3)=−8 | | 3(3a+6)+6=81 | | b-10=27 | | -22+3y=14 | | 21−9z=84 | | 2=3x1/3+6 | | (12x-10)=(11x+3) | | 8x-(4x+32)=1 | | 30=3xx | | 6x=41/4 | | 5(x-3)+6=4x-12 | | 23=n-(-8) | | 5n=4n-8 | | 4x²+25=0 | | 12(x+5=4+ | | -14+2+3=4x-13-7x | | x-13/17=22/17 | | 3(x-4)+14=3x+14 | | 3x2=51x | | -7x–13=8 | | 16x^2-8x-80=0 | | –20p+16p−3=–19 | | r3+ 7=9 | | 12(x-5)=75 | | 7x+8=1x+2 | | x-8=1/2x-8 | | 13x-8(11.25)=2x-9 | | 5x^{5}-2x+6=0 | | 0=2x+9/4x-9 | | 2(-3n+5)=-9n-17 | | 3y−(–8=20 |

Equations solver categories