If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4b-50=2b
We move all terms to the left:
4b-50-(2b)=0
We add all the numbers together, and all the variables
2b-50=0
We move all terms containing b to the left, all other terms to the right
2b=50
b=50/2
b=25
| 4s-27=s+63 | | 10w-3=3w+4 | | 9.02x+3.57(8x-5)=12.07x+0.5614 | | 4(k-3)-8=3k-(2k-1) | | v(11)=18500(0.90)^11 | | X3+4x=8 | | -12f+18=-11f+18-f | | 1001/5−104/5m=57 | | -7+4f=4f-7 | | 3-5q+14q=-14+9q | | 8u-1-17=-18+8u | | -10-5r=7-5r | | -9+m=m+10 | | -7h-5=-8h+4 | | -10k+4=4-10k | | 2s=10s-8s | | X-(x+420)=420 | | 25(3x)=60 | | -x=-342 | | -4x+2.9=-7x+4.7 | | 5/9(x+28)=25 | | 3y-2y=-9+20 | | 3b+5=9 | | 5(7-x)=55 | | 5(7-x)=55 | | 6m−3=39 | | 6m−3=39 | | r/6+89=96 | | r/6+89=96 | | r/6+89=96 | | r/6+89=96 | | c/4+39=45 |