If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9s-42=5s
We move all terms to the left:
9s-42-(5s)=0
We add all the numbers together, and all the variables
4s-42=0
We move all terms containing s to the left, all other terms to the right
4s=42
s=42/4
s=10+1/2
| 6/5=-8/3x+6 | | 9t-28=5t | | 3(3y+3)-4y+5=39 | | 4p-30=-10 | | -4-x+6x=15 | | 43=8-5n | | 3/5g–7=-1 | | w2+70=119 | | 17=4f+9 | | 3.7-c/1.9=4.7 | | 0.4x+6.1x=10 | | -3.5(5-9a)=-23.5 | | 4x+19=8x-54x+19=8x−5 | | 2/3(5x-8)=7 | | 11/5=-22/3x+6 | | w2+70=199 | | 49x²-81=0 | | 2(3-h)-7=-5h | | 2(3y+4)=6(y-5) | | -4/5+6x=-94/5 | | -15=4(m+5) | | d/2+12=14 | | 10+8=7+3x+20 | | 2=r/3−2 | | 3(4p–5.5)+11.1=8.1+3p | | -3(x-5)=-74 | | x/4+3=−3+x | | 4.3.8h=-16.9 | | -1(4-x)=4/ | | 10(y−89)=7 | | (x)/(2)+7=(3x)/(4) | | 3x+4+2x-8=180 |