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Claire Arroyo
Mathematics
Yesterday, 22:28
How many solutions for
-2x+4y=-7
y=-1/2x+5
+4
Answers (
1
)
Marley Jarvis
Yesterday, 22:41
0
1. - 2x + 4 * (-1/2x+5) = - 7
2. - 2x - 2x + 20 = - 7
3. - 4x = - 27
4. x = 27/4
5. y = - 1/2 * 27/4 + 5
6. y = - 27/8 + 40/8
7. y = 13/8
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