Question

the solution 2x +5y =7 has an unique solution if x and y are​

Answer 1

Answer:

$x + y = 7 \div 2 \div 5$

$x + y = 7 \div 10$

Step-by-step explanation:

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Answer 2

Answer:

4

Step-by-step explanation:

2x + 5y =7

=> 2x +y = 7 - 5

=> 2x+ y = 2

=>x+y =2×2

=> x+y= 4 answer