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Mathematics
Collin Murphy
14 February, 00:23
Solve the system:
y = 4x + 6
-5x - y = 21
+3
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1
)
Omar Leblanc
14 February, 03:44
0
Substitute y in second equation
-5x - (4x+6) = 21
-9x-6=21
9x+6=-21
9x=-27
X=-3
Solve for y:
Y=4 (-3) + 6
Y=-6
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