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Svetllana [295]
3 years ago
13

Solve this pair of simultaneous equations. 5x + 2y = 20 x + 4y = 13 X= y=

Mathematics
2 answers:
Katena32 [7]3 years ago
8 0

Answer:

y= 2.5

x= 3

Step-by-step explanation:

multiply eqn 2 by 5

5x +20y =65

eqn 2 -1

20-2)y=65-20

18y=45

y=2.5

x+4×2.5 =13

x+10=13

x=3

olga55 [171]3 years ago
5 0
Y=2.5
x=3

there you go
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Answer:

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<h3>Given</h3>
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2 years ago
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It is good equation. Look, that:
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2 years ago
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Four years after opening an account that paid simple interest of 4.25% annually, a depositor withdrew the $2,380 in interest ear
satela [25.4K]

Answer:

Step-by-step explanation:

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Filling in:

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3 years ago
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mixas84 [53]
13. Pick a point and see which formula works.
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16. The only formula that maps (7, -1) to (21, -3) is that of selection D.


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