If it's not what You are looking for type in the equation solver your own equation and let us solve it.
45x=105
We move all terms to the left:
45x-(105)=0
We move all terms containing x to the left, all other terms to the right
45x=105
x=105/45
x=2+1/3
| F(210)=75x | | -10=2(1-x)14 | | 20x=236000 | | 80+5x-15=180 | | 2x^2/(4.8841-4.42x+x^2)=71.7 | | x=14/23 | | 1.5x=1500 | | .4(2x+10)=x | | (2x+10)x,4)=x | | 60x=1.2 | | x=(120)(60) | | 12{v/4=8 | | n2-n-90=0 | | 6/n-5/n-1=1/3 | | x÷7/4=2/3 | | 7x-22=5x+20 | | 5(x10)=-35 | | x2+5151x-515+5161.61561611=988 | | x5+1551x2-34543x-2=415 | | x31×6161+1919-018101897.188181x=42 | | x454545-733757537353573753753537537=0 | | |b-8|=4 | | -4+8=d | | 4x=−2x–18 | | 210y=10 | | 1=1/8(16x-8) | | 4=3/5x-1/3x+2/5x | | -3m+7=19 | | 1.5x+8=2x-12 | | M²+2m+4=0 | | 10x-2x-5=1 | | 12h−2h=–20 |