Question

X+y. 14
x-y. 4
solve
​

Answer 1

Answer:

Step-by-step explanation:

answer is

56x^2+52xy-4y^2

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Answer 2

Answer:

x+y=14_____1 equation

y=14-x ______ 2 equation

x-y=14 _______ 3 equation

Add 1+3

x+y=14=14

x-y=14=14

+y and -y cancel

2x=28

x=28÷2

then,x=14

y= 14-x

then,14-14

that =0

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