If it's not what You are looking for type in the equation solver your own equation and let us solve it.
45=12b-10b+b
We move all terms to the left:
45-(12b-10b+b)=0
We add all the numbers together, and all the variables
-(+3b)+45=0
We get rid of parentheses
-3b+45=0
We move all terms containing b to the left, all other terms to the right
-3b=-45
b=-45/-3
b=+15
| 100a-5a=105-10 | | 8y-5y=30 | | 7(2e-1)-3=6e+6 | | -30x^2+31+6=0 | | 11k+2k+5=15k+1 | | X+2=8,x-2 | | D7-6u=5u+29 | | 27=k/3+21 | | 1/4(4r-8)=r2 | | 3/4n-6=3/2 | | 3x+4.75=22 | | 1/9-1/3x=2/9 | | 72x^2-55x-7=0 | | 19=h/3=-8 | | 1/44r-8)=r2 | | 19=h/3=8 | | 4*2^x=12 | | 6-6x=5-9x-2 | | -5+x=-2x+4 | | 82=5x+12 | | 51/6x+21/4=10 | | -4x-x+1=11-3x | | x^2+24x+11=0 | | 4k-9k=90 | | 3w=8/2=25 | | 7/10(f)=49 | | 3y-4=2y+8-5y | | x(3+x)=1120 | | x^2−16x+100=0 | | 17=-13x-8x | | 9.35/2=t | | x+31/3=81/2 |