Z podanego równania wyznacz x:
a) a(b+x)=c
b) =2k
c)
a(b+x)=a^2c /:a
b+x=ac
x=ac-b
a(x-b)/c=2k /*c
a(x-b)=2kc /:a
x-b=2kc/a
x=2kc/a+b
ax/b-c=k /*b
ax-bc=kc
ax=kc+bc /:a
x=(kc+bc)/a
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a(b+x)=a^2c /:a
b+x=ac
x=ac-b
a(x-b)/c=2k /*c
a(x-b)=2kc /:a
x-b=2kc/a
x=2kc/a+b
ax/b-c=k /*b
ax-bc=kc
ax=kc+bc /:a
x=(kc+bc)/a