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Mathematics
, 03.10.2019 10:30
ericlawton
If 2x + 5y = 21 and x + y = 3, then what is the solution
(-2, 5)
(-5, -2)
(5, -2)
(-2, -5)
Answers: 1
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Answer from:
Brendangrigley6571
2x+5y=21, x+y=3
y=3-x
2x+5y=21
2x+5(3-x) =21
2x+15-5x=21
2x-5x+15=21
-3x+15=21
-3x=21-15
-x=6/3
-x=2
x=-2
Answer from: Quest
goog may have it for you
Answer from: Quest
is it 35
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If 2x + 5y = 21 and x + y = 3, then what is the solution
(-2, 5)
(-5, -2)
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