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If 4x - 3y = 5 3x - 4y = 4 then what is x + y?
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25 Nov 2021, 03:36
25 Nov 2021, 03:36
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Question Stats:
85% (01:40) correct
14% (01:25) wrong based on 7 sessions
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This question is part of the GRE - Skill Builder Project for a Q170
If 4x - 3y = 5, 3x - 4y = 4 then what is the value of x + y?
Show: ::
x+y=1
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Re: If 4x - 3y = 5 3x - 4y = 4 then what is x + y?
[#permalink]
25 Nov 2021, 05:34
25 Nov 2021, 05:34
1
Carcass wrote:
This question is part of the GRE - Skill Builder Project for a Q170
If 4x - 3y = 5, 3x - 4y = 4 then what is the value of x + y?
Show: ::
x+y=1
Given:
4x - 3y = 5
3x - 4y = 4
If we subtract the bottom equation from the top equation, we get: (4x - 3y) - (3x - 4y) = 5 - 4
Simplify: x + y = 1
Answer: 1
gmatclubot
Re: If 4x - 3y = 5 3x - 4y = 4 then what is x + y? [#permalink]
25 Nov 2021, 05:34
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