If it's not what You are looking for type in the equation solver your own equation and let us solve it.
k+2k-3k+k=12
We move all terms to the left:
k+2k-3k+k-(12)=0
We add all the numbers together, and all the variables
k-12=0
We move all terms containing k to the left, all other terms to the right
k=12
| 66+(2x+14)=90 | | 14=-6+4u | | g-5=42 | | −5x+12=−5x−12-5x+12=-5x-12−5x+12=−5x−12 | | k+2k-3k+k=13 | | 4(3x-10)-5=75 | | 16r-2r-11r-2r+r=18 | | -18=9=9r | | -5=7=3s | | d+7/10=4 | | 12+2(h+5)=20 | | (180-x)/2=39 | | 25-3t=22 | | X=5(x+4) | | 0.5(n-8)=6 | | 66=6(u-78) | | 3/4x-7=-1/4x+2 | | 3(k-15)=3 | | 4-5/2x=-12 | | 4^2x-1=38 | | 4x-24=2x+14 | | (1.8/4.5)=(4/x) | | 10=2(f-5) | | 6x-60=42 | | x3-x2=100 | | 2q =21 | | 9+11x=31 | | 2(m-11)-15=-9 | | 3=w-9/3 | | 6x+5=−73 | | 18=3(x-1 | | 1/2(180-x)=39 |