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Answer:
x = -5 and y = 1
Explanation:
use elimination
-5x - 10y = 15
-3x + 10y = 25 +
-8x = 40
x = -5
.
Substitute the value of x to one of equations
-5(-5) - 10y = 15
25 - 10y = 15
-10y = 15 - 25
-10y = -10
y = 1
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