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Sanai Pope
Mathematics
24 September, 13:23
Systems of equations with substitution
-5x+2y=9
Y=7x
+1
Answers (
1
)
Lillian Baird
24 September, 13:32
0
x=1
y=7
Step-by-step explanation:
-5x+14x=9
9x=9
x=1
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