a)
P=abx /:ab
x=P/ab
b)
R=ax/b /*b
ax=Rb/:a
x=Rb/a
c)
S=a/bx /*bx
Sbx=a /:Sb
x=a/Sb
d)
T=1/abx /*abx
Tabx=1 /:Tab
x=1/Tab
e)
y=2t-3x
3x=2t-y /:3
x=(2t-y)/3
f)
y=2(x-1)
y=2x-2
2x=y+2 /:2
x=(y+2)/2
g)
y=(x-1)/2 /*2 lub y=x-1/2
2y=x-1 x=y+1/2
x=2y+1
h)
y=2/(x-1) /*(x-1) lub y=2/x-1/*x
yx-y=2 yx=2-x
yx=2+y /:y yx+x=2
x=2/y + 1 x(y+1)=2
x=2/(y+1)
i)
P=1/3a²+2/3ax
2/3ax=P-1/3a²/:2/3a
x=3/2P/a-1/2a
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a)
P=abx /:ab
x=P/ab
b)
R=ax/b /*b
ax=Rb/:a
x=Rb/a
c)
S=a/bx /*bx
Sbx=a /:Sb
x=a/Sb
d)
T=1/abx /*abx
Tabx=1 /:Tab
x=1/Tab
e)
y=2t-3x
3x=2t-y /:3
x=(2t-y)/3
f)
y=2(x-1)
y=2x-2
2x=y+2 /:2
x=(y+2)/2
g)
y=(x-1)/2 /*2 lub y=x-1/2
2y=x-1 x=y+1/2
x=2y+1
h)
y=2/(x-1) /*(x-1) lub y=2/x-1/*x
yx-y=2 yx=2-x
yx=2+y /:y yx+x=2
x=2/y + 1 x(y+1)=2
x=2/(y+1)
i)
P=1/3a²+2/3ax
2/3ax=P-1/3a²/:2/3a
x=3/2P/a-1/2a