If it's not what You are looking for type in the equation solver your own equation and let us solve it.
+9Y=21
We move all terms to the left:
+9Y-(21)=0
We move all terms containing Y to the left, all other terms to the right
9Y=21
Y=21/9
Y=2+1/3
| 4x+12x=15 | | 2=1.225^t | | 25=x/3+5 | | 2v^2+3=-8v | | (2/3)x+4=48 | | -2(-4x+3)=3x+2+4x- | | 2k-7=k-7 | | 360*x=20 | | 360*x=16 | | 70=x/5-5 | | -7x+5x+2=-6-2x+8 | | 360*x=14 | | -3(2n+2)-6n=-12 | | 8+7x=6x | | -2+3k=10 | | 2-20b+4=18 | | 4x-2=3(x-3 | | 7(v-4)-3=-7(-3v+4)-8v | | 2-20b+4=38 | | x/360=30 | | 4n+6=-18 | | 4x+(-11)=7x+30 | | 5x+2-3x+32=180 | | 5x+24=9x-4 | | 0,05/1=1,5/x | | x*20=35 | | 2x+3x-7=2+7x | | 0,05x=1,5*100 | | 2(x+4)=4x+7+1 | | 0,05x=1,5x100 | | 2.6c=20.8 | | 4-m=4m |