Answer:
x = -2
y = -1
Step-by-step explanation:
y - 2x = 3 and y - x = 1
Subtract the second equation from the first
y - 2x = 3
- ( y - x = 1)
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-x = 2
Multiply both sides by -1
x = -2
Sustitute x = -2 into the first equation
y - 2(-2) = 3
y + 4 = 3
Subtract 4 from both sides
y = -1