Menyelesaikan b (-21)*[(-4)+(-6)]=[ | 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

$$( - 21 ) \times [ ( - 4 ) + ( - 6 ) ] =$$