a+b=3x8
[tex] \frac{a}{b} = 2[/tex]
=>>>
a+b=24
a=24-b
=>>
[tex] \frac{24 - b}{b} = 2 \\ \\ 24 - b = 2b \\ \\ - b - 2b = - 24 \\ \\ - 3b = - 24 \\ \\ b = 8 \\ a + b = 24 \\ a + 8 = 24 \\ a = 24 - 8 \\ a = 16[/tex]
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Răspuns:
a+b=8×3
a+b=24
a÷b=2
a=2b
a___'___
b___
24÷3=8
b=8
a=8×2=16
V:16+8=24
.....................
2b+b=24
3b=24
b=24÷3
b=8
a=8×2=16
16+8=24