Resolver (-3)/(2)-(-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

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