Question

Solve the inequality z+7>7

z>?


their is a little line under the sign

Answer 1

ANSWER: z ≤ 0

REASON:
z + 7 > 7
Take away 7 from both sides
z + 7 -7 > 7 - 7
Then...
z<0 because z must be less than or equal to zero (≤)

Answer 2

z+7 > 7
z > 7-7
z > 0

so Z is more than or = to 0