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Solve the equation below for p. 3p+7=4(p-1) A.p=8 B.p=11 C.p=24 D.p=33

Solve the equation below for p. 3p+7=4(p-1) A.p=8 B.p=11 C.p=24 D.p=33
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3 votes
Solve the equation below for p. 3p+7=4(p-1)

A.p=8
B.p=11
C.p=24
D.p=33

User Igorbel
by
7.7k points

2 Answers

6 votes
Hello!

3p + 7 = 4(p - 1)
3p + 7 = 4p - 4
(3p - 3p) + 7 = (4p - 3p) - 4
7 = p - 4
(7 + 4) = p (-4 + 4)
11 = p

The answer is b.

Hope this helps!! Let me know if you have ANY questions.
User Walkman
by
8.4k points
3 votes
just plug numbers in to p if you cannot solve for p. 3x11+7=4(11-1). so b is correct
User Miroslav Kovac
by
8.2k points
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