3(j-1)=21

Simple and best practice solution for 3(j-1)=21 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 3(j-1)=21 equation:



3(j-1)=21
We move all terms to the left:
3(j-1)-(21)=0
We multiply parentheses
3j-3-21=0
We add all the numbers together, and all the variables
3j-24=0
We move all terms containing j to the left, all other terms to the right
3j=24
j=24/3
j=8

See similar equations:

| 2x-3/3x=-2/2 | | K=7×+6y | | 2g=7-5 | | 9h-21=21 | | f-7=4+4 | | 26x=300,x | | 0.4x-3=1.5(4x-3) | | .5(x-4)-3=3-(2x+3) | | 117x+52=52x-156 | | 3^2x-4=27 | | 0.4x-3=1.33(4x-3) | | 0.33x+4=1.5x+3 | | X-0.07x=210 | | -2t=5t+9 | | 3x/13+5/13=2x/13-4/3 | | -5x/2=15/4 | | 2(5x-3)=3(4x+7) | | 3^4x-9=1/343 | | n=-1+1/4 | | 5n+7=9n+12 | | -1.2+v/3=-8.7 | | 12/6b=3/9+1½ | | 1²/⁶b=3/9+1½ | | (x+2)^=20 | | -2(4t-3)+3t=8T-3 | | 2x+(2xx5)=420 | | 5/4b-3/7=6/8 | | 2r+8/6=5r-10/5 | | -4.9t^2+6t-2.2=0 | | 32x=1700+6x | | 36x=1700+8x | | 15+12x=20x+6 |

Equations solver categories