If it's not what You are looking for type in the equation solver your own equation and let us solve it.
k-k+2k+k=3
We move all terms to the left:
k-k+2k+k-(3)=0
We add all the numbers together, and all the variables
3k-3=0
We move all terms containing k to the left, all other terms to the right
3k=3
k=3/3
k=1
| 3d+d-3d=16 | | 3m–8=7 | | y^2+8y16=0 | | 13u-6u-u-u-3u=14 | | 14x-4=4x | | 5g+5g+3g-9g=20 | | 3x+6+5x-4=6x+2 | | r+r+r-3r+r=20 | | 6=2(x+6) | | 5x=130° | | 2x+5=4x–1 | | 8z^2-3z-2=0 | | 20q-11q-q-7q=10 | | |5x-8|=7 | | 6x+3x-5x+2x+x=14 | | 10v-7v+3v=18 | | 0.5x-0.3=2 | | 3x-2(-2-2)=-7+4(4x-4) | | 14a-4a-8a+5a=7 | | 8.9-3.3j=+2.3 | | -3+8=4x-6-3x | | 19n-16n=18 | | 0.3b=0.6 | | 114-u=257 | | 13t-9t=12 | | 13=2c+5c | | 5/x+1=10/x | | 21x+6=130 | | 25.6+3a/4=9.54 | | -1+9s=44 | | 1/2x+11=16 | | 23=b/10+20 |