If it's not what You are looking for type in the equation solver your own equation and let us solve it.
18+y=21
We move all terms to the left:
18+y-(21)=0
We add all the numbers together, and all the variables
y-3=0
We move all terms containing y to the left, all other terms to the right
y=3
| 2x=1/2x+21 | | y-(4/5y)=14 | | 1+3(−5z−3)=−5(5z+6)+3 | | -n-5/2=9 | | 7x+7=4x+7 | | 7x+7=4×+7 | | 6x+12+x=10x+12-3x | | 6x=4=46 | | |8x-6|=-14 | | 11x+11-11=605-11 | | 3x+2(4x-5)=3x-5 | | 15h+400=475 | | 7h=(-2h-18) | | 6(3.2y-1)=1 | | r-31=-16 | | 11j+17=6 | | 12+-6=y | | b/4=60 | | 0=-2/3b+4 | | 6y+2(5y-9)=5(3y-4)+11 | | 7(x=9)=8x-6 | | 11x+11÷5×5=121×5 | | 17y-3=31 | | 3x+110+25=180 | | X+6/5=x/3 | | 5.5x+200=1500 | | 2-3(4x-3)=6-2x | | 11x+11÷5=121 | | 180=4y+68 | | (2x+23)=(x+19) | | 8q-4q=44 | | 4x+14=-x+4 |