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Mathematics
Lee Vazquez
16 May, 09:30
Solve using
elimination 5y+3x=9 and 4y-3x=32
+2
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2
)
Hanson
16 May, 11:46
0
(x, y) = (-124/27, 41/9)
Step-by-step explanation:
1) Add the equation to eliminate x.
5y+3x=9
4y-3x=32
2) Add 5y and 4y.
5y=9
4y=32 - -> 9y=41
3) Get y by itself by dividing 9 on both sides:
y=41/9
4) Substitute Value in the equation 5y+3x=9
5 (41/9) + 3x=9
5) solve for x
x=-124/27
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Nora Rose
16 May, 13:11
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Step-by-step explanation:
5y + 3x = 9
4y - 3x = 32
using elimination method
subtracting equation 1 from 2 gives
y = - 23
substitute to get value of X
5 (-23) + 3X = 9
-115 + 3x = 9
3x = 124
x = 41.33
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