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Mathematics
Hannah Simpson
27 October, 15:21
2x + 5y = 4
3x - 5y = 6
What is x and y?
+4
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2
)
Valentino Cooke
27 October, 16:13
0
x = 2, y = 0
Step-by-step explanation:
Given the 2 equations
2x + 5y = 4 → (1)
3x - 5y = 6 → (2)
Adding the 2 equations term by term will eliminate the term in y
(2x + 3x) + (5y - 5y) = (4 + 6), that is
5x = 10 (divide both sides by 5)
x = 2
Substitute x = 2 into either of the 2 equations and solve for y
Substituting in (1)
2 (2) + 5y = 4
4 + 5y = 4 (subtract 4 from both sides)
5y = 0 ⇒ y = 0
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Jaelynn Aguilar
27 October, 17:14
0
For this I used elimination
X=2
Y=0
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