3j-9=12

Simple and best practice solution for 3j-9=12 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 3j-9=12 equation: 


Simplifying
3j + -9 = 12

Reorder the terms:
-9 + 3j = 12

Solving
-9 + 3j = 12

Solving for variable 'j'.

Move all terms containing j to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 3j = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 3j = 12 + 9
3j = 12 + 9

Combine like terms: 12 + 9 = 21
3j = 21

Divide each side by '3'.
j = 7

Simplifying
j = 7

See similar equations:

| 2(z-4)=4(z+1) | | 12=8+4n | | 9=15+2p | | 24=6(x-5) | | 3(2t-1)=9 | | 72=10+4m | | 6-2x=6x-10x+16 | | 5y+2=17 | | 7+2s-6=6s+3-3s | | 2x+45=5 | | 4y-2=33-3y | | 9-3w=2+4w | | 9y-3(y+4)=18 | | 7+4x-9=-6 | | 12x+8-5x=29 | | -5x+6=66 | | y=34x+3 | | y=x-6 | | 6=3x-1 | | 3+8y=40 | | 11t+1=1 | | 9x-7=-11 | | 5u-13=-10 | | 4y=-2x-8 | | y-x=8 | | x-y=5 | | 2x-3y=6 | | 200y-51=49 | | 50y-7=2 | | 6+3x=y | | 3+8x=0 | | x+4y=-8 |

Equations solver categories