Question

2( z + 1 ) - 4(z - 4)< 2(z + 5)
i got z<8 is that right?

Answer 1

no sorry the correct answer would be 2<z or z>2 depending on how you want to write it

Answer 2

2(z + 1) - 4(z - 4) < 2(z + 5)
2z + 2 - 4z + 16 < 2z + 10
-2z + 18 < 2z + 10
18 < 4z + 10
8 < 4z
2 < z

Answer 3

^ yupp theres the proof

Answer 4

thank you!