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velikii [3]
4 years ago
15

Please answer...i always answer... please

Mathematics
1 answer:
qwelly [4]4 years ago
3 0

Answer:

A) -x + y = 2

B) x + 2y = 4

we add both equations

3 y = 6

y = 2

We put y = 2 into equation B)

x + 2 * 2 = 4

x = 0

***********************************************

A) -2x + y = 6

B) x + y = 0

We multiply B) by 2

B) 2 x + 2 y = 0 then we add A)

A) -2x + y = 6

3y = 6

y = 2

Therefore x = -2

Step-by-step explanation:

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