हल करना 21\div3+7-5+(45\div5)+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

$$21 \div 3+7-5+(45 \div 5)+9$$