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Solve using elimination. -x – 5y = 16 2x + 5y = -7
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Solve using elimination. -x – 5y = 16 2x + 5y = -7
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Sep 17, 2018
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Solve using elimination.
-x – 5y = 16
2x + 5y = -7
Mathematics
middle-school
AllSolutions
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3
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-x - 5y = 16
2x + 5y = -7
-----------------------
1x =9
x=9 substitute
-9 - 5y =16
+9 =9
--------------
-5y =25
25/-5 = -5
y= -5
Rayashi
answered
Sep 18, 2018
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Rayashi
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2
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-x - 5y = 16
2x + 5y = -7
(add)
x = 9
(2 × 9) + 5y = -7
18 + 5y = -7
- 18
5y = -25
÷ 5
y = -5
I hope this helps!
Jewel Rana
answered
Sep 21, 2018
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Jewel Rana
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