Question

-2m+(-m+2)=3(2m+1)

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Answer 1

Resposta:

m = - $\frac{1}{4}$    

Explicação passo-a-passo:

-2m+(-m+2)=3(2m+1)

-2m+1.(-m+2)=3(2m+1)

-2m - m + 2 = 6m+3

-3m + 2 = m+3

-3m + 2 - m = 3

-3m - m = 3 - 2

-4m= 1

-4m= 1    . (-1)

4m= - 1

m = - $\frac{1}{4}$