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tino4ka555 [31]
2 years ago
5

Can anyone tell me what’s the answer??

Mathematics
1 answer:
maks197457 [2]2 years ago
5 0

Answer:

x = 10

y = 25

Step-by-step explanation:

if you add the equations as they are then the 'y-term' is eliminated:

60x = 600

x = 10

substitute x=10 to find value of 'y':

40(10) + 4y = 500

400 + 4y = 500

4y = 100

y = 25

Check:

20(10) - 4(25) should equal 100

200 - 100 = 100

100 = 100

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