If it's not what You are looking for type in the equation solver your own equation and let us solve it.
30-y=0
We add all the numbers together, and all the variables
-1y+30=0
We move all terms containing y to the left, all other terms to the right
-y=-30
y=-30/-1
y=+30
| 1-8+4=(1*3x) | | 2m=-R+4 | | x^2+8x=102 | | 12-c=-4 | | 4-5x=6(4) | | X/50=x/25-1 | | -35-7=-7(x+5) | | 0.3=0.1x+4 | | x^2+26x+146=0 | | -9=-3+u/2 | | 7(7x-5)=-35-8x | | -7f^2+11f+9=4-3f | | 9x=15x+12 | | 7y-12=32+y | | X(0.5x-1)=0 | | (x-1.9)4=8 | | 5^5x+5=36 | | 3.6x0.003=0.0108 | | m+4/9-5/6=0 | | -3(x-3)=4-2x | | 19*x=100 | | (3x+10)(2x+15)=180 | | 0.7(2x+3)=2.3(x-3 | | 2x(3x+5)=2x-3 | | 2(x2-1)=5x | | 12y-7=113.y= | | 4+2x+5=5 | | 12^x=216 | | 8x-11+4x+39=90 | | 8x-11+4x+38=90 | | 8x-11+4x+39=180 | | 8x-11+4x+38=180 |