Question

si. m - 2 = 3m + 7, calcula el valor
de: -5 -1-8
A) 2
B) - 1
C) 1
D) O

ayuda please​

Answer 1

Explicación paso a paso:

m - 2 = 3m + 7

m - 3m = 2 + 7

-2m = 7 + 2

-2m = 9

m = 9 ÷ 2

m = 4.5

-5 - 1 - 8

-(5 + 1 + 8)

-(6 + 8)

-14