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ax=c+b
x= (c+b)/a
b) 2ax-b=2x+c
2ax-2x=c+b
x(2a-2)=c+b
x=(c+b)/(2a-2)
c) ax+bc= dx+e
ax -dx=e-bc
x(a-d)=e-bc
x=(e-bc)/(a-d)
d) 2a-2x+x=3b-bx
2a-x=3b-bx
-x+bx=3b-2a
x(-1+b)=3b-2a
x= (3b-2a)/(-1+b)
f) ay^2+b=c
c-b=ay^2
(c-b)/a= y^2
y=(znak pierwiastka)(c-b)/a
ax=c+b
x= (c+b)/a
b)
2ax-b=2x+c
2ax-2x=c+b
x(2a-2)=c+b
x=(c+b)/(2a-2)
c) ax+bc= dx+e
ax -dx=e-bc
x(a-d)=e-bc
x=(e-bc)/(a-d)
d) 2a-2x+x=3b-bx
2a-x=3b-bx
-x+bx=3b-2a
x(-1+b)=3b-2a
x= (3b-2a)/(-1+b)
e)(ax-b)/c=d
ax-b=cd
ax= cd+b
x= (cd+b)/a
f) (a+x)/x=b
a+x=bx
a=bx-x
a=x(b-1)
x= a/(b-1)
g) (2x-a)/(b-x)=3
2x-a=3b-3x
2x+3x=3b+a
x= (3b+a)/5
h) a/(2-x)=b/d
da/(2-x)=b
da=2b-bx
da=b(2-x)
da/b=2-x
-(da/b)+2=x
Y: a, b, c,d będą analogicznie do tego co wyżej
e) a/(2y-b)=c
a=2yc-bc
a+bc=2yc
(a+bc)/2c=y
f) ay²+b=c
c-b=ay²
(c-b)/a= y²
y=√(c-b)/a
g) √y -a =bc
y-a²=b²c²
y=b²c²+a²
h)√y²+a²=b
y²+a²=b²
y²=b²-a²
y=√b²-a²