1.-y = x + 1
y = x + 2
2. x - y = 3
x + y = 3
3. 2y = x
x - y = 1
4. x - y = 5
2x - y = 7
5. x + y = 5
3x + 3y = 15
6.x + y = 5
x + 2y = 9
7. 2x + y = 9
x - y = 6
8. x + y = 7
3x + y = 10
9.y = -2x + 3
y = x - 3
10.x - y = 3
x + y = 5
paki sagot po pls
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