Answer:
not -7 just 7
Step-by-step explanation:
Sorry my points are messed up, but i hope you can see through the mess and get your points graphed!
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i hope this helps!
Subtract original amount from new amount:
84 - 39 = 45
He bought 45 books.
Answer:$0.55
Step-by-step explanation:
Answer: 6x - 4
Step-by-step explanation: -2*f(x) = -2 * (-3x+2) = (-2*-3x) + (-2*2) = 6x + (-4) = 6x - 4