If it's not what You are looking for type in the equation solver your own equation and let us solve it.
19h-16h+5h-4h=12
We move all terms to the left:
19h-16h+5h-4h-(12)=0
We add all the numbers together, and all the variables
4h-12=0
We move all terms containing h to the left, all other terms to the right
4h=12
h=12/4
h=3
| 2h-2h+5h-2h=12 | | X+12*4=x-90 | | 11d-8d+3d+4d-6d=4 | | -3y+7=77 | | 3n+1=n-15 | | 4c+2c+3c=18 | | (x-10)/25=-2 | | 6n-5n=16 | | 55*2x=180 | | x+47+32=180 | | 4(x+12)=2x-90 | | 6u-5u=17 | | 6x+7+5x+3=120 | | 4x+3=92 | | x^2+x^2=12.25 | | 4(2x-3)=7x+6 | | 3600+b2=10000 | | 202y=-14 | | 92=4x+3 | | 11=–2z+8=z | | F(-5)=5x^2+9x+6 | | -30=6u+2(u-7) | | 25/s−4-18/s+2=2 | | X+4y/100=2,6 | | -4=4(v+3)-2v | | 5^4x=92 | | 8=-6n+2n | | 5a-12=5a+5 | | 2x+14+112=180 | | 229=134-v | | -4r+8r=16 | | 110=16h+10 |