Answer:
Step-by-step explanation:
9x + 8 = 7.5x + 17
1.5x = 9
x = 6 hours
Answer:
<u>a - b + c</u><u> </u><u>=</u><u> </u><u>-</u><u> </u><u>3</u>
<u>Explain</u>
a = - 2
b = - 5
c = - 6
Now,
a - b + c = - 2 - (-5) + (-6)
= - 2 + 5 - 6
= - 8 + 5
= - 3