Question

iv) Solve : 3x + 5y=1 and 5x + 3y = 7 then what is the value of x + y
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Answer 1

Required Answer:-

Correct Question:

• If 3x + 5y = 1 and 5x + 3y = 7, find the value of x + y.

Solution:

Given that,

→ 3x + 5y = 1 – (i)

→ 5x + 3y = 7 – (ii)

We have to find out the value of x + y.

Adding equations (i) and (ii), we get,

→ 8x + 8y = 8

→ 8(x + y) = 8

→ x + y = 1

★ So, the value of x + y is 1

Answer:

• x + y = 1.

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