If it's not what You are looking for type in the equation solver your own equation and let us solve it.
6k-42=5k+15
We move all terms to the left:
6k-42-(5k+15)=0
We get rid of parentheses
6k-5k-15-42=0
We add all the numbers together, and all the variables
k-57=0
We move all terms containing k to the left, all other terms to the right
k=57
| X-14x=32 | | x^2+11x-279=0 | | 9x/12-6=0 | | 20x^2-7x-6=(5x+2) | | -7x+2x-3x=0 | | -4=5x+5 | | X+6x=135 | | 6.3=b/7 | | (65x-12)+(43x+10)=720 | | (65x-12)+(43x+10)=90 | | -3.6x=40.32 | | 3.6x=40.32 | | X=7x+19 | | -x=1/6 | | 22x=360 | | -3.2c=-16 | | 22x=358 | | 5x(26)=x/16 | | X=7x+19-5x-2 | | 3(4x-8)=6(-4-3x) | | X-18x=-56 | | -9/8x=-5 | | 8/3b-55/12=b-5/2+5/2b | | 108x=358 | | 41=-4.1k | | 65x+43x=360-2 | | X+19x=-84 | | 10=5-m | | 65x=78 | | (65x-12)+90=180 | | (65x-12)=180 | | -10n+6=-8n-4 |