If it's not what You are looking for type in the equation solver your own equation and let us solve it.
h-42=21
We move all terms to the left:
h-42-(21)=0
We add all the numbers together, and all the variables
h-63=0
We move all terms containing h to the left, all other terms to the right
h=63
| -5=-3r-2r | | 98=c+25 | | 73=w+61 | | j+3=100 | | q+6=74 | | 40=q-11 | | g-34=59 | | x+20=(50 | | 100=q+72 | | 11=1+4r+r | | 2x^2+6x=2x^2-3x+5 | | 6x+(x+13)=180 | | 18=8+2d | | 6/7w=-4 | | 4n+6+5n=9 | | 2/x+3/2x=0 | | n/5-1/5=1/5 | | -9u+3=3(u+5) | | -9(u+6)=-4u-24 | | 4y+16=2(y+9) | | x13=194. | | 3x-0.5-2.5=1 | | 3x-2(-0.25+1.25)=1 | | (6.3m+2.3)(3)= | | 3x2+10x+12=0 | | 11/5r=11 | | 6x2+13x=0 | | 1+0.01x=1.01^x | | x=x+39 | | 1/3c-1/2=1/2 | | 1/3c-2.1/2=1/2 | | 1/3c-2/1/2=1/2 |