Question

5(x+4)<75
Please help me ​

Answer 1

x∈(-∞; 11)

if x∈N=> x={0;1;2;3;.....;10}

Explanation:

5(x+4)<75 /:5

x+4<15 /-4

x<11

x∈(-∞; 11)

if x∈N=> x={0;1;2;3;.....;10}