If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13=-2k
We move all terms to the left:
13-(-2k)=0
We get rid of parentheses
2k+13=0
We move all terms containing k to the left, all other terms to the right
2k=-13
k=-13/2
k=-6+1/2
| -4/7k=-26 | | 2/11m+(16)=4+6/11m | | 4=9-3(2x+1)+5x | | 59-x=9x/2+15 | | (2/11)m+(16)=(4)+(6/11)m | | 3x/18=108 | | 2m=18.8 | | (2/11)m+(16)=4+(6/11)m | | 4=-8+x | | 3x-8=-7+18 | | 77-x=87-2x | | 8+P=x | | 2(b-4)+8=1/2(6b+20) | | (2x-26)+(7x+8)=180 | | 6x+24+8x-12=360 | | X-8=-x-2 | | 8(x+3)=2(4x-3) | | -4(4x-9)=20 | | 0=-1+x | | 3(6-x)=6x-17-2x | | 2x+7=5x+16. | | 2-9z=-1-10z-1 | | 2x-6=135 | | 2-9z=-1-1 | | 3x+2(3x+3)=33 | | Y=-x+92.5 | | 5+4t=t-10 | | -2b-15=1 | | -2=6+r-6 | | 9p+6p−10p=10 | | 6x-2-8x=4(x+7) | | -20=5u-3 |