If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13b-11b=4
We move all terms to the left:
13b-11b-(4)=0
We add all the numbers together, and all the variables
2b-4=0
We move all terms containing b to the left, all other terms to the right
2b=4
b=4/2
b=2
| 3.5=5(1-t) | | s+42=21 | | 21x²=4(2x+1) | | 81=x(3+x) | | 3x/8=x/6+5 | | r-100=200 | | 81=3x+x^2 | | -9=4x-13 | | 7w+5w=70-10 | | 0.14(y-4)+0.08y=0.18y-0.5 | | z+34=34 | | 1.2/x=1/6x= | | 40/n=14-n | | 12=n/9+2 | | 20b-17b=18 | | -3(4x-1)-3=-2(9x+4)-2 | | 7+14=8.50x+5 | | 7x=-48-1 | | c+100=250 | | 9=2.50x | | 18x+2x=320 | | 11/x=3/8 | | f^2+8f=-12 | | x/x+5-5/x-5=14/(x+5)(x-5) | | 16=2^3x+1 | | 2x5=10 | | 3c2=9 | | u-2=13 | | 7z-6z=20 | | a7=6 | | 7(3x+6)=11-(×-2) | | 20-2x=3x-2 |