If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n-n+4n-n-2n=12
We move all terms to the left:
n-n+4n-n-2n-(12)=0
We add all the numbers together, and all the variables
n-12=0
We move all terms containing n to the left, all other terms to the right
n=12
| -8w=8=2-8w-9 | | 54=f-20 | | -4p+9=-7p | | −0.3(y+6)=−2.4(y−1) | | (8x-31)=(6x+3 | | K(3x-2)=20-30x | | (3x-16)=(6x+7) | | x/5-7=-11 | | 7d=5d-4 | | -v+193=4 | | 4j+9=5j | | -15j-19j—16j+7j=11 | | 221-w=49 | | -20.8=4n | | 4(-6y)+2=10 | | 227=88-v | | 4(7+8v)=220 | | 5s-2s=6 | | 212=-y+96 | | 23+3(4x-5)=-4-6x) | | 30x-31/30=72 | | 6r-5r=16 | | -3(.166x)-18=72 | | 86+9x+4+4x-7=180 | | 2x-2+8=12x-2 | | -1/30x=72 | | 3/4−y=2/3+y | | -6u+6=2-6u-7 | | 9−2c=3 | | |7x-21|=0 | | -6u+6=2-1u-7 | | 3 4−y=2 3+y |