If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-16+q+42=84
We move all terms to the left:
-16+q+42-(84)=0
We add all the numbers together, and all the variables
q-58=0
We move all terms containing q to the left, all other terms to the right
q=58
| 57=x-28 | | 5(1/5x-3/5)=3x-7 | | 3k+2k+k=36 | | 10x+20+-2x+72=80 | | 10^x-(10^x/5)=40 | | 36=9(x=5) | | 2q+426=838 | | -6+3u=-18 | | -6+3u=+18 | | 10^x-0,2(10^x)=40 | | 6-0.25f=f+0.25 | | 10=u+4 | | 8-15=p+4p | | -6=y-2 | | -z-5=-2 | | 7x+40=3x+56 | | 5=2d-5= | | 1911=49(p+10) | | 3x-7+29-x=7 | | C(m)=0.35m+45 | | n-19=90 | | 6+4x-12=5x-15 | | 8z+8-6z=72-6z | | -3+z=2 | | 72=8x=24 | | 5x+13=5x=23 | | 86-u=239 | | 4.7x+1=4.1x-2 | | 75=5x+25 | | 12y/4=15/20 | | 1/2(2x-1)=1/3(2x+0.5) | | 6x-6=3x+33 |