If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b in (-oo:+oo)
2.25 = (3/4)*(b-4) // - (3/4)*(b-4)
2.25-((3/4)*(b-4)) = 0
(-3/4)*(b-4)+2.25 = 0
2.25-3/4*(b-4) = 0
2.25-3/4*(b-4) = 0
5.25-3/4*b = 0
5.25-3/4*b = 0
5.25-3/4*b = 0 // - 5.25
-3/4*b = -5.25 // : -3/4
b = -5.25/(-3/4)
b = 7
b = 7
| 3x-4/11=9/22 | | 62=180 | | 59.4=6(m+2.8) | | 2a+4b=-7 | | 10(2u+2)-u=(8u-8) | | 1/8×2×8 | | 7/3/6/5 | | 10-2/5x=12 | | 4y-7=9y+47 | | 2x-3+7=2(x+2)+3x | | .75x+8=1-x | | 5(2c+3)-4(3c-2)= | | 2*(6+2)+5= | | 0.36x+0.42y=6 | | 0=16+r(m-6) | | -2d-d=-9 | | 5.2*4= | | y-(-7x)=-1 | | 2y-x-5=180 | | 6k-4=9+5x | | 2w+13=51 | | 3x-4=12x+13 | | 101=5u+11 | | 8n+15=20 | | 10=-5(4-2x) | | -38+8v=-2(-8v+3) | | 81=-24+35x | | -11-3x+y=0 | | 10=4-3(t+2) | | (x/y)/4x | | -11-3x+y=9 | | -35+81=-24 |