Question

Решите уравнение: 5m-6-(1+3m)=-2

Answer 1

5M - 6 - ( 1 + 3M ) = - 2 
5M - 6 - 1 - 3M = - 2 
2M - 7 = - 2 
2M = 5 
M = 5 : 2 
M = 2,5

Answer 2

$5m-6-(1+3m)=-2$
$5m-6-1-3m=-2$
$2m=6+1-2$
$2m=5$
$m= frac{5}{2} =2,5$