Answer:
x=7
Step-by-step explanation:
Solve the absolute value and you immediately find that both sides have to equal zero.
The equivalent expression is 
Answer:
<u>8 – 6</u> & <u>8 + (-6)</u>
Step-by-step explanation:
If you look at the 2 lines, one says -6 and the other says 8. So, now we know that the expression has to have '-6' and '8' in it. The only expressions with both numbers are the first two expressions.
8 – 6 and 8 + (-6)
Also, when you put these two expressions in the calculator, they both equal 2.
15% is 0.15 in decimal so
0.15 x 40 = 6
6 Classes is the answer