Wyznacz 'b' ze wzoru.
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2b+3a
--------- = 2x
b-3
2x(b-3)=2b+3a
2xb-6x=2b+3a
2xb-2b=3a+6x
b(2x-2)=3a+6x
3a+6x
b= ---------
2x-2
2x= ------- / x(b-3)
2x(b-3) = 2b+3a
2bx-6x=2b+3a
2bx-2b=3a+6x
b(2x-2)=3a+6x / : (2x-2)
b= --------
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2b+3a
--------- = 2x
b-3
2x(b-3)=2b+3a
2xb-6x=2b+3a
2xb-2b=3a+6x
b(2x-2)=3a+6x
3a+6x
b= ---------
2x-2
2b+3a
2x= ------- / x(b-3)
b-3
2x(b-3) = 2b+3a
2bx-6x=2b+3a
2bx-2b=3a+6x
b(2x-2)=3a+6x / : (2x-2)
3a+6x
b= --------
2x-2