Question

7x-15y=2and x+y=3 solve
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Answer 1

Answer:

Step-by-step explanation:

7x -15y=2

⇒7x=2+15y

⇒x=(2+15y)÷7

x+y=3

⇒x=3-y

(2+15y)÷7=3-y

⇒2+15y=(3-y)7

⇒2+15y=21-7y

⇒15y+7y=21-2

⇒22y=19

⇒y=19