If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3=15+3b
We move all terms to the left:
3-(15+3b)=0
We add all the numbers together, and all the variables
-(3b+15)+3=0
We get rid of parentheses
-3b-15+3=0
We add all the numbers together, and all the variables
-3b-12=0
We move all terms containing b to the left, all other terms to the right
-3b=12
b=12/-3
b=-4
| 6/r=8 | | 131+1x=131 | | 131+1x=13+ | | -18+18w+16=15w+19 | | 10x=-1+4(-3x-1)-3x | | 3x^2+30x+600=0 | | 3x^2+30x+6000=0 | | 3-5a=2a+15 | | 5(x-7)+3x=2(2+4x)+3 | | (4x-7)(3x+8)=5 | | 3y-5=2(2y+3) | | 4=3p-1 | | 2x+13+x+17=15 | | 4x+5x=10-6 | | 3(4x+7)=-49+10 | | 5(k-2)=45 | | 12=10g | | 45x+29=69 | | A=4x-47 | | 3(4x+5)=-32+23 | | 9x-6=4x+2 | | 2u-2(10+7u)=10-(8u+6) | | g*12=10g | | 3a+4=7a-8 | | 5(e-5)=4-(3-7e) | | 4(q+56.5)=30q-122 | | 3x^2+28x+55=0 | | -3(x-3)=5x-11 | | (9x2)x3=9x2(x3) | | 8-10(s-15)=2-(6-8s) | | 2m+20=170 | | g-10=2.5 |