Question

solve, x+y=25,
x-y=9​

Answer 1

Answer:

// Solve equation [2] for the variable x

[2] x = y + 9

// Plug this in for variable x in equation [1]

[1] (y +9) + y = 25

[1] 2y = 16

// Solve equation [1] for the variable y

[1] 2y = 16

[1] y = 8

// By now we know this much :

x = y+9

y = 8

// Use the y value to solve for x

x = (8)+9 = 17

Answer 2

Answer:

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