हल करना (- 2 * 13 + 2 * 15)/(7 - 4 + 1) | 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

$$\frac{-2\times13+2\times15}{7-4+1}$$