हल करना 9+\ 6+7aF3-(9+5-(+21\ | 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

$$9+\{6+7aF3-(9+5-(+21\}$$