Answer:
Ben spent 9 dollars
Step-by-step explanation:
Answer:
I think he made a mistake in the first one
Step-by-step explanation:
-9x - 30 < 15
<u> + 30 + 30</u>
<u>-9x</u> < <u>45</u>
-9 -9
x < -5
Answer:
4, 2, |-3|, 0, -5, -6
Step-by-step explanation:
Log7 (x+3) - log7 (x-3) = 1
log7 [(x+3) / (x-3)] = 1
raise both sides to power of 7
(x+3) / (x-3) = 7
7x – 21 = x + 3
6x = 24
x = 4
