Resolver = 1 5 - 1 5 * 7 2 | 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

$$=\frac{1}{5}-\frac{1}{5}\times\frac{7}{2}$$