Wyznacz ze wzoru wielkość x .
Przykłady w załącznikach ; )
a) x+2/3=2y /*3
x+2=2y*3/-2
x=2y*3-2
x=6y-2
b) x-3/a=-2/3 /*a
x-3=-2/3a /+3
x=-2/3a+3
c) 5/x-1=c/3 /*x
5/-1=c/3*x /*3,
5*3/-1=cx /:c
x=5*3/-1c
d)-4/d=-2/x /*x
-4x/d=-2 /*d
-4x=-2*d /+4
x=-2*d+4
e)
c/x=7/d /*x
c=7x/d /*d
7x=c*d /7
x=c*d/7
f)
a-2/x+6=c-1/b+2 /*x
a-2/6=c-1x/b+2 /:b
a-2/6b=c-1x/+2 /:2
a-2/6b2=c-1x /-c
a-2-c/6b2=-1x /+1
x=a-2-c+1/6b2
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a) x+2/3=2y /*3
x+2=2y*3/-2
x=2y*3-2
x=6y-2
b) x-3/a=-2/3 /*a
x-3=-2/3a /+3
x=-2/3a+3
c) 5/x-1=c/3 /*x
5/-1=c/3*x /*3,
5*3/-1=cx /:c
x=5*3/-1c
d)
-4/d=-2/x /*x
-4x/d=-2 /*d
-4x=-2*d /+4
x=-2*d+4
e)
c/x=7/d /*x
c=7x/d /*d
7x=c*d /7
x=c*d/7
f)
a-2/x+6=c-1/b+2 /*x
a-2/6=c-1x/b+2 /:b
a-2/6b=c-1x/+2 /:2
a-2/6b2=c-1x /-c
a-2-c/6b2=-1x /+1
x=a-2-c+1/6b2