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9 votes
3x-y= 17
-x+y= -7

Help please

User Simonberry
by
3.3k points

1 Answer

9 votes

Answer:

y = -2

x = 5

Explanation:

3x - y = 17

-x + y = -7

here we can find the sum of the two equations

2x = 10

x = 5

now we can just plug in the value of x to find y

-(5) + y = -7

y = -2

User Alex Shnayder
by
3.6k points