Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{ 8 }{ 7 } / \frac{ 7 }{ 2 } \times \frac{ 10 }{ 6 }$$

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