If it's not what You are looking for type in the equation solver your own equation and let us solve it.
35+90+b=180
We move all terms to the left:
35+90+b-(180)=0
We add all the numbers together, and all the variables
b-55=0
We move all terms containing b to the left, all other terms to the right
b=55
| -1.24=v/9+9 | | 5k+2=3k-+6 | | 4n/8=10 | | -11(-8x-10)=-682 | | b+3/5=7 | | 6x+8=-4x+10 | | 5k+2=3k6 | | 26f=24 | | 0.3x=12300 | | 5(2×+6)=-4(-5-2x)+3x | | 2p+15=7p-5 | | b-15=72 | | 3/4y-12=6 | | 2x−4(x−5)=−3+2x−9 | | 8y+ 1=3y+ 6= | | 60=h/12 | | z+4z-3z-18z=0 | | -40=-x-15 | | 4/9^(x+2)=8/27 | | 22.1=-16.3+3y | | 17-2p=83;p | | 2x+9=-7x+21 | | 4/)^(x+2)=8/27 | | 72/b=4;b=1,3,4,9 | | 4z+5=-3z–3 | | X=12x3 | | n-18=4; | | 7/10=m/18 | | 7+v/15.36=13 | | 1/2x-1.5+5=2 | | 2x-5=35; | | 7/10=x/18 |