21=-8(9z-3)

Simple and best practice solution for 21=-8(9z-3) 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=-8(9z-3) equation: 



21=-8(9z-3)

We move all terms to the left:

21-(-8(9z-3))=0



We calculate terms in parentheses: -(-8(9z-3)), so:

-8(9z-3)

We multiply parentheses

-72z+24

Back to the equation:

-(-72z+24)



We get rid of parentheses

72z-24+21=0

We add all the numbers together, and all the variables

72z-3=0

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

72z=3

z=3/72

z=1/24

See similar equations:

| F(.5)=9x+7-3x | | (2x-1)+(5x-42=90 | | -33+2d=-3(7d+6) | | -6s+8s=-25 | | 9=2(d-2)+1 | | 75-3.5y=4y+6 | | 10+5x+5=1+7x | | 19x+2+121=180 | | 6(x−8)=78 | | m|-4=-6 | | 8x-16=-16+2x×6x | | b-4=17 | | -23947234b=b83728+2382889b | | (x+40)(3x-17)(2x-5)=180 | | x+30°=2x-60° | | 50=-22+9l | | 8-1x=34 | | –2(h–3)+5h=5(2+h) | | -2k-k+6=12 | | 4x-40-3x+36=0 | | 5(x–11)=-2x–6 | | 50=9c+(-22) | | 9-12n=5+4n | | 17-1x=33 | | 6(7x+7)=-7(6x+6) | | -3(r+5)=9 | | 1/4(4+x)=4/3 | | 4-x^2+12x+36=0 | | h-23=9 | | 5+1y=43 | | 1/2-9n=5+4n | | )28+3x=7(7x+4) |

Equations solver categories