Question

-2. ( -m + 2 ) = 3. ( 2m + 1 )
resposta com a conta pfvr ​

Answer 1

$-2 \cdot ( -m + 2 ) = 3 \cdot ( 2m + 1 )\\2 \cdot m - 4 = 6 \cdot m + 3\\6 \cdot m - 2 \cdot m = -4 - 3\\4 \cdot m = -7\\\boldsymbol{m = -\frac{7}{4}}$