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If 2x + y = a, and 5x + y = b, then x =
[#permalink]
25 Jul 2022, 00:57
25 Jul 2022, 00:57
Expert Reply
00:00
Question Stats:
85% (00:51) correct
14% (03:49) wrong based on 7 sessions
Hide Show timer Statistics
If 2x + y = a, and 5x + y = b, then x =
A a -b
B a + b
C 1/7(a + b)
D โ1/3(a โ b)
E 6๐ +5๐/3
A a -b
B a + b
C 1/7(a + b)
D โ1/3(a โ b)
E 6๐ +5๐/3
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022)
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GRE Math Essentials (2022)
GRE Geometry Formulas for a Q170
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: If 2x + y = a, and 5x + y = b, then x =
[#permalink]
27 Jul 2022, 15:29
27 Jul 2022, 15:29
Expert Reply
\((2x + y = a)-(5x + y = b) = (-3x = a โ b), so x = โ\frac{1}{3}(a โ b). \)
gmatclubot
Re: If 2x + y = a, and 5x + y = b, then x = [#permalink]
27 Jul 2022, 15:29
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