If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b-9+4b=15
We move all terms to the left:
b-9+4b-(15)=0
We add all the numbers together, and all the variables
5b-24=0
We move all terms containing b to the left, all other terms to the right
5b=24
b=24/5
b=4+4/5
| 16=3(x-8)-7x | | 16-2n=-8+4(n-3) | | 9-|x-4|-5=9 | | 3.4x=6.46 | | 12w-8=12w-8 | | -(5z+13)=18 | | 10x-6(x-3)=38 | | 8x+7(-2-4x)=-14-8x | | 3+6r=3+8r | | 17=5x+2-2 | | 14-22m=35-15m | | 1025v+2.458=7.583 | | 3.5f=9 | | -31+21x=-5-5(1+5x) | | 0.2*x=13.6 | | 8(4u-1)-12=22u+66 | | 2x+5253=210355 | | 0,5x=1 | | b,13-5b,13=32,13 | | 2x+5,253=210,355 | | (-17)+(b/8)=13 | | (x^2)-8x=63 | | 5a-12=6a+12 | | -5(x)=-2(2x+8)-6x | | x^2-8x=63 | | 8=−25c | | x^2-324x-5929=0 | | 12n+3n-11n=-20 | | 8(t+2)-8(t+4)=6(t-7)+8 | | 8x^2+6x+14=0 | | -8x-14=7(-2-4x)+4x | | 8n÷8=180÷8 |