Question

5x+8y=10,2.5x+4y=k . find k
with full explanation
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Answer 1

5x + 8y = 10

Take out the common term.

2(2.5x + 4y)= 10

2.5x + 4y = 5 →1

2.5x + 4y = k →2

Comparing both Equation we get,

k = 5