हल करना - 2/5 - 1 * (- 3/10) - 1 * (- 4/7) | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\frac{-2}{5}-\frac{-3}{10}-\frac{-4}{7}$$