Solve the system algebraically. 2x+ y - 10 = 0 x - y - 4 = 0 What is the value of y? 1/3 2/3 14/3
Question
Updated 11/6/2014 7:42:31 PM
Confirmed by jeifunk [11/6/2014 7:42:31 PM]
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Original conversation
User: Solve the system algebraically. 2x+ y - 10 = 0 x - y - 4 = 0 What is the value of y? 1/3 2/3 14/3

Weegy: The solution for 2x+y-10=0, x - y - 4 = 0 is x = 14/3 ,y = 2/3.
From 2x + y - 10 = 0 ,we can get y = 10-2x
put y= 10 - 2x into the 2th equation
x - y - 4 = 0
x -(10 -2x) - 4 = 0
3x = 14
x =14/3

y= 10 -2x
y= 10 - 2*14/3
y= 2/3

User: Solve the system algebraically. 4x - 5y = 3 x = 3 - y What is the value of x? 9/7 24/14 33/14

Question
Updated 11/6/2014 7:42:31 PM
Confirmed by jeifunk [11/6/2014 7:42:31 PM]
Rating
8
4x - 5y = 3
x = 3 - y
substitute x in the first equation the result is:
4(3 - y) - 5y = 3
12 - 4y - 5y = 3
-9y = 3 - 12 = -9
y = -9/-9 = 1
x = 2
The value of x is 2.
Confirmed by jeifunk [11/6/2014 7:42:39 PM]

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Alfonso is 8 years older than Ashley. Five years ago Alfonso was three times as old as Ashley. How old is Ashley now? 9 17 8
Weegy: Ashley is 8 years old. Alfonso is 16. Five years ago, Ashley was 3, and Alfonso 9, three times older than Ashley. User: Simplify 2(x - 3) + 7(x + 2). 9x - 8 9x + 3 9x + 8 Weegy: 2(x - 3) + 7(x + 2) is 9x + 8. User: What is the equation of the line, in standard form, that passes through (4, -3) and is parallel to the line whose equation is 4x + y - 2 = 0? 4x - y = 13 4x + y = 13 4x + y = -13 (More)
Question
Updated 11/6/2014 10:59:37 PM
The equation of the line, in standard form, that passes through (4, -3) and is parallel to the line whose equation is 4x + y - 2 = 0 is: 4x + y = 13
Confirmed by jeifunk [11/6/2014 10:59:56 PM]
What is the resulting equation when the expression for y in the second equation is substituted into the first equation? 3x + y = 1 y = 6 - 4x -x + 6 = 1 x + 6 = 1 7x + 6 = 1
Weegy: 3x + y = 1 3x + (6 - 4x) =1 3x + 6 - 4x =1 ............3x - 4x + 6 = 1.......-x + 6 = 1 The first choice... User: What is the result of adding the system of equations? 2x + y = 4 3x - y = 6 x = 2 x = 10 5x = 10 Weegy: 3x + y = 1 3x + (6 - 4x) =1 3x + 6 - 4x =1 ............3x - 4x + 6 = 1.......-x + 6 = 1 The first choice... User: What is the result of adding the system of equations? 2x + y = 4 3x - y = 6 x = 2 x = 10 5x = 10 Weegy: 3x + y = 1 3x + (6 - 4x) =1 3x + 6 - 4x =1 ............3x - 4x + 6 = 1.......-x + 6 = 1 The first choice... (More)
Question
Updated 11/9/2014 2:26:14 AM
-x + 6 = 1 is the resulting equation when the expression for y in the second equation is substituted into the first equation 3x + y = 1 y = 6 - 4x .
5x = 10 is the result of adding the system of equations: 2x + y = 4 3x - y = 6 .
2x + y + 3x - y = 4 + 6
5x = 10
Confirmed by sujaysen [11/9/2014 10:22:10 AM]
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