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find the solution -2x+8y=14 -2x-2y=-26
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Asked 5/5/2015 8:27:23 AM
Updated 5/5/2015 11:37:44 AM
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User: find the solution -2x+8y=14 -2x-2y=-26

User: find the solution -5x-y=-7 -6x+y=7

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Asked 5/5/2015 8:27:23 AM
Updated 5/5/2015 11:37:44 AM
1 Answer/Comment
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-5x-y=-7
-6x+y=7
adding up equations the result is:
-11x=0
x=0/-11=0
-5(0)-y=-7
y=7
the solution for the system -5x-y=-7 -6x+y=7 is (0, 7)
Added 5/5/2015 11:37:44 AM
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What is the equation of a line that passes through (7, 8) and has a slope of -3?
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Updated 5/14/2015 5:58:10 AM
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The equation of a line that passes through (7, 8) and has a slope of -3 is y - 8 = -3(x - 7).
Added 5/14/2015 5:56:44 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [5/14/2015 5:58:08 AM]
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