If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-23.4=3.9b
We move all terms to the left:
-23.4-(3.9b)=0
We add all the numbers together, and all the variables
-(+3.9b)-23.4=0
We get rid of parentheses
-3.9b-23.4=0
We move all terms containing b to the left, all other terms to the right
-3.9b=23.4
b=23.4/-3.9
b=-6
| 10/x=6/3x+4 | | 6a+1=2a+9 | | u+5+7u=61 | | 5c-6=7c | | D^4-2D^2+4y=0 | | X+10+2x-50=120 | | -4+2(4s+1)=125 | | 2x—18=x+4 | | 4y-4y-15y=0 | | 4(2x-6)-12=-100 | | -3(5x+7)+10x=34 | | 3x+x=520 | | 16d2=4d | | 16d=4d | | 6.3±1.4=h | | 4x+29=-9(x+4) | | -5(y-9)=4y+18 | | 125=60s2 | | 2x+12=21-x | | x-8/4+6x+11=108-2x | | -6v-24=-2(v+8) | | x-8=+6x+11=432-8x | | -6v-21=-2(v+8) | | 32=40w | | 2(x-2)=7x+41 | | 3/8x-1/2x=3/2 | | 3/8x-1/2=3/2 | | 6x-7=10x=29 | | 20–8y=15+3y | | 10x-1=35-8x | | 7x+2=4x+41 | | y=10+52 |