Z podanych wzorów wyznacz wskazaną zmienną:
a) ax+bx=c x
b)ab-cd=xy-y y
c)ax-a=bx-b b
d)
a)
x(a+b)=c
x=c/(a+b)
b)
y(x-1)=ab-cd
y=(ab-cd)/(x-1)
c)
b(x-1)=a(x-1)
b=a(x-1)/(x-1)
b=a
x(a+b)=c/:(a+b)
ab-cd=y(x-1)/:(x-1)
(ab-cd)/(x-1)=y
ax-a=b(x-1)/:(x-1)
b=(ax-a)/(x-1)
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a)
x(a+b)=c
x=c/(a+b)
b)
y(x-1)=ab-cd
y=(ab-cd)/(x-1)
c)
b(x-1)=a(x-1)
b=a(x-1)/(x-1)
b=a
a) ax+bx=c x
x(a+b)=c/:(a+b)
x=c/(a+b)
b)ab-cd=xy-y y
ab-cd=y(x-1)/:(x-1)
(ab-cd)/(x-1)=y
c)ax-a=bx-b b
ax-a=b(x-1)/:(x-1)
b=(ax-a)/(x-1)
b=a(x-1)/(x-1)
b=a