Example

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

Question

$$\frac{x}{7}+\frac{x}{5}-\frac{1}{5}=\frac{2x}{35}+\frac{9}{7}$$

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