If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5x+42=8x-39
We move all terms to the left:
5x+42-(8x-39)=0
We get rid of parentheses
5x-8x+39+42=0
We add all the numbers together, and all the variables
-3x+81=0
We move all terms containing x to the left, all other terms to the right
-3x=-81
x=-81/-3
x=+27
| y/5=4.3 | | 4x/3-5=5/3 | | 3x+10/2=11 | | 5,6b=30 | | h*10*10=750 | | 9x/2-5=89/2 | | h+10+10=750 | | 7s+3=38 | | -3p+12=-2p | | 35x+5+60=180 | | -9r+99=2r | | y-16=6-31 | | 2v=72-10v | | w/4+3=8 | | p-58=-4p-8 | | 2t2-3t+1=0 | | -6=9+5(x-8) | | -8=2(x-2)+4 | | 4x−6=20 | | 8×(y+10)=-10×(y-4)+4 | | 4x+10=18-4x | | 8(r-4)+10r=22 | | 8p-7p+6=17 | | 562=x•4+23-x | | -10+9a=10a | | 45+90-x=98 | | 562=xx4+23-x | | 5w+5(11+w)=-55 | | 5×+9=25x | | 7y-8-4y=10 | | 47+x=37 | | -48=-2p+8p |