Menyelesaikan 12/4 + (- 1) + 2; 2t+-(2+1 | 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

$$12\div4+(-1)+2; 2t+-(2+1$$