1.

X + y = 15, y = x + 3.​

Answer»

Given:

x + y = 15

y = x + 3......(i)

Process:

x + y = 15

=> x + x + 3 = 15. (PUTTING value of y from (i))

=> 2x = 15 - 3

=> 2x = 12

=> x = 12/2

=> x = 6

Answer:

THEREFORE, value of x is 6 and value of y is 6 + 3 i.e 9.

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