If it's not what You are looking for type in the equation solver your own equation and let us solve it.
8y-4y-15=51
We move all terms to the left:
8y-4y-15-(51)=0
We add all the numbers together, and all the variables
4y-66=0
We move all terms containing y to the left, all other terms to the right
4y=66
y=66/4
y=16+1/2
| z/4+8=12 | | 6x+4x-9x=5 | | 6x–3=2x–7 | | 43+26+x=180 | | g÷6.9=12.8 | | 10+x=57 | | 2x-5(x-4)=-9+4x+8 | | x2=256^-1 | | 5.1d+2.7=1.2d+15.8 | | 2-1/3s=3/4s+13 | | g-1.95=2.87 | | -4+6m=-8 | | 3y+4y+6=20 | | (4x+6)+(4x-4)=90 | | 3/8p=51 | | 2.4r-42=23 | | 4=z+8/7 | | 150+60+2x+x=360 | | 16-3s=7 | | 6+13-s=8 | | 2x–5=8x+7 | | 59=24+7y | | 15-s=2+2 | | 13-s=2 | | k/9+73=79 | | 19-3yy=2 | | 3x+10=10x-40 | | 34x3x=(35)4 | | 34=2c-76 | | 21/63=n/3 | | 7/n=12/5 | | 3x-11=86 |