a)P=abx / /x p/x=ab / *p x=ab*p b)r=ax/b/ *x rx=a/b/ /r x=a/b/x c)s=a/bx/ /x s/x=a/b/ *s x=a/b*s d)t=1/abx/ /x t/x=1/ab/ *t x=1/ab*t e)y=2t-3x/ /x y/x=2t-3/ *y x=2t-3*y f)y=2(x-1) y=2x- 2/ /x y/x=2-2/ *y x=2-2*y g)y=x-1/2 -----------
a)p=abx /:ab x=p/ab b)r=ax/b /*b r*b=ax /: a x=r*b/a c)s=a/bx /* bx s*bx=a /:s*b x=a/s*b d)t=1/abx /* abx t*abx=1 /: t*ab x=1/t*ab e)y=2t-3x y-2t=-3x /:-3 -y/3+2t/3=x f)y=2(x-1) y=2x-2 2x=y+2 /:2 x=y/2+1 g)y=x-1/2 x=-1/2-y h)y=2/x-1 /*x y*x=2-1 /:y x=2-1/y i)p=1/3(a2+2ax)
a)P=abx /:ab P/ab=x b)R=ax/b / *b rb=ax /:a rb/a=x c)S=a/bx /*b sb=a/x /:a sb/a=x d)T=1/abx /*ab tab=1/x /:1 tab=x e)y=2t-3x y-2t=-3x /:-3 (y-2t)/-3=x f)y=2(x-1) y=2x-2 y+2=2x /:2 (y+2)/2=x g)y=x-1/2/*2 2y=2x-1 2y+1=2x /:2 y+1/2=x h)y=2/x-1 y-1=2/x /:2 (y-1)/2=x i)P=1/3(a2+2ax) p=2/3a+2/3ax /*3 3p=2a+2ax /:2a 3p/2a=x
