Question

4m - {3m + [ 5m - 1-(3m + 2) + (5m - 1) + 2 ] - 7m} = 11
1

Answer 1

Respuesta:

5(m-3)=5m-6+3m

5m - 15= 5m - 6 + 3m

5m - 5m - 3m = -6 + 15

-3m = 9

  m= - 9/3

  m = -3

Explicación paso a paso: