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Brooks Moreno
Mathematics
21 September, 19:02
Solve system of equation
x-y=11
2x+y=19
+3
Answers (
1
)
Brynn Werner
21 September, 19:11
0
(10, - 1)
Step-by-step
the y's cancel
3x = 30
x = 10
10 - y = 11
- y = 1
y = - 1
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