Question

Resolver: 50-3(x+12) < 80-4(x+5); x ∈ N

Answer 1

Explicación paso a paso:

50 -3×-36< 80-4×-20

14-3× <60-4×

-3×+4× < 60-50

x<10

c.s={0,1,2,3 4,5,6,7,8,9}