Question

) Resuelve la ecuación de primer grado 4m – (m+3) = 3 ( m +1 ) – 2 ( m -1 )

Answer 1

Respuesta:

$4m - (m + 3) = 3(m + 1) - 2(m - 1) \\ 4m - m - 3 = 3m + 3 - 2m + 2 \\ 3m - 3 = m + 5 \\ 3m - m = 5 + 3 \\ 2m = 8 \\ m = 4$