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Solve the system: 3x – 4y = –16 2x + 6y = 11 What is the value of x?
3x – 4y = –16 multiple 3 on both sides we have: 9x - 12y = -48 equation 1 2x + 6y = 11 multiple 2 on both sides we have: 4x + 12y = 22 equation 2 Equation 1 + equation 2 we have 13x = -26 x = -2 The value of x is -2.
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Asked 4/26/2014 7:51:56 PM
Updated 4/28/2014 8:57:09 AM
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3x – 4y = –16 multiple 3 on both sides we have:
9x - 12y = -48 equation 1
2x + 6y = 11 multiple 2 on both sides we have:
4x + 12y = 22 equation 2
Equation 1 + equation 2 we have
13x = -26
x = -2
The value of x is -2.
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Added 4/28/2014 8:57:09 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [4/28/2014 9:00:35 AM]
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