Resolver 15 - 4 + 7 * 18 / 9 | 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

$$15-4+7\times18\div9$$