Hi,
Let x represent the larger number and y represent the smaller number.
The sum of the two numbers is 0
x + y = 0
Twice the smaller number subtracted from 3 times the larger number is 10.
3x - 2y = 10 | x + y = 0 0r x = -y
3(-y) - 2y = 10
-5y = 10
y = -2 the smaller number and x = 2
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