158k views
4 votes
8 + 4p = 8(1 + 8p) + 8p A) {-2} B) {0} C) {-5} D) {-15}

2 Answers

3 votes

Answer:

I believe the answer is 0

Explanation:

I am not sure I did not get any of the listed answers when done by hand but on a calculator to answer is closest to zero. hope this helps

8 + 4p = 8(1 + 8p) + 8p A) {-2} B) {0} C) {-5} D) {-15}-example-1
User Gebitang
by
8.5k points
3 votes

Answer:

B) {0}

Explanation:


8 + 4p = 8(1 + 8p) + 8p\\\\\mathrm{Expand}\:8\left(1+8p\right):\quad 8+64p\\8+4p=8+64p+8p\\\\\mathrm{Add\:similar\:elements:}\:64p+8p=72p\\8+4p=8+72p\\\\\mathrm{Subtract\:}8\mathrm{\:from\:both\:sides}\\8+4p-8=8+72p-8\\\\Simplify\\4p=72p\\\\\mathrm{Subtract\:}72p\mathrm{\:from\:both\:sides}\\4p-72p=72p-72p\\\\Simplify\\-68p=0\\\\\mathrm{Divide\:both\:sides\:by\:}-68\\(-68p)/(-68)=(0)/(-68)\\\\Simplify\\p=0

User Barry Watts
by
7.9k points

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