See attachment for math work and answer.
Answer:
D: all real numbers
Step-by-step explanation:
the first inequality is v is less than or equal to -7, and the second equality is v is greater than or equal to -7
It means the same:
2x - 6 + 9 = 3x + 3 + x
2x +3 = 4x + 3
2x - 4x = 3 - 3
-2x = 0
x = 0/(-2) = 0
Answer:
x = 0
Answer:
7kg:1kg=7:1 itself
Because 7 and 1 has one '1' as a common factor, so they can't be simplified