3 years ago

X+y=2 equal to x-y=8

Mathematics

1 answer:

Whitepunk [10]3 years ago

7 0

Answer:

x = 5

y = - 3

Step-by-step explanation:

x + y = 2

x - y = 8

add

x + x + y - y = 2 + 8

2x = 10

x = 5

replace x

5 + y = 2

y = 2 - 5

y = - 3

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