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Augustus
Mathematics
8 July, 20:17
2x+8y=20 y=2 using substitution method
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Tania
8 July, 20:27
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Substitute y = 2 in 2x + 8y = 20 to get
2x + 8y = 20
>> 2x + 8 (2) = 20
>> 2x + 16 = 20
>> 2x + 16 - 16 = 20 - 16
>> 2x = 4
>> 2x / 2 = 4 / 2
>> x = 2
So x = 2, y = 2 is the solution. In order pair form (x, y) = (2,2)
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