If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b*45=90
We move all terms to the left:
b*45-(90)=0
Wy multiply elements
45b-90=0
We move all terms containing b to the left, all other terms to the right
45b=90
b=90/45
b=2
| 4(k-2)-5=5k-(4k-2) | | 3|4x|+8=20 | | F=3/4n-12 | | ((2x+3)-64x)((2x+3)+64x)=0 | | 4d=11.8 | | y-2,7=10,881 | | 5/4(x+4/3)=-115/12 | | -6=-3+x/5 | | 2(x+5)-4+8=16 | | 1.3=g-9.2 | | 8n(4n+5)=7 | | 2+9x=12x-2 | | 10+2x=4x-20 | | 2w^2+3w-629=0 | | m+1.7=8.9 | | 8n-(4n+50=7 | | 4x+180=6 | | 18-10w=-11w | | 3u=7−2u | | -13+19f=6+20f | | 2(x-2)=4x-12(x-1) | | -162=-9+9n | | x(0.025)+x=400 | | -9+11x+2=19 | | 2x=300-9 | | -19+19k=-k+18k+19 | | 1/2(8x-16=2/3(6x+12) | | n/9-2=-3 | | 2(4x+2)=4x-12(x-1( | | 7m=9m-6 | | -3=2(x+3)-5x | | 2-x/2=9 |