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If 2y + 3 = 0 and 4y + 5z = 9, what is the value of z ? (A) 3 (B) 5
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28 Sep 2022, 06:55
28 Sep 2022, 06:55
Expert Reply
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Question Stats:
94% (00:48) correct
5% (00:54) wrong based on 18 sessions
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If 2y + 3 = 0 and 4y + 5z = 9, what is the value of z ?
(A) −3
(B) −5/3
(C) 5/3
(D) 7/3
(E) 3
(A) −3
(B) −5/3
(C) 5/3
(D) 7/3
(E) 3
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GRE Math Essentials (2022)
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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Joined: 02 Jan 2020
Status:GRE Quant Tutor
Posts: 1111
Given Kudos: 9
Location: India
Concentration: General Management
Schools: XLRI Jamshedpur, India - Class of 2014
GMAT 1: 700 Q51 V31
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WE:Engineering (Computer Software)
Re: If 2y + 3 = 0 and 4y + 5z = 9, what is the value of z ? (A) 3 (B) 5
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28 Sep 2022, 09:19
28 Sep 2022, 09:19
1
Given that 2y + 3 = 0 and 4y + 5z = 9 and we need to find the value of z
2y + 3 = 0
Multiplying both the sides by 2 we get
4y + 6 = 0
=> 4y = -6
4y + 5z = 9
=> -6 + 5z = 9
=> 5z = 9 + 6 = 15
=> z =
\(\frac{15}{5}\) = 3
So, Answer will be E
Hope it helps!
2y + 3 = 0
Multiplying both the sides by 2 we get
4y + 6 = 0
=> 4y = -6
4y + 5z = 9
=> -6 + 5z = 9
=> 5z = 9 + 6 = 15
=> z =
\(\frac{15}{5}\) = 3
So, Answer will be E
Hope it helps!
gmatclubot
Re: If 2y + 3 = 0 and 4y + 5z = 9, what is the value of z ? (A) 3 (B) 5 [#permalink]
28 Sep 2022, 09:19
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