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Joe Gross
Mathematics
12 October, 00:00
X+240y=88 4x+160y=152
+4
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Berlynn
12 October, 00:21
0
We can use elimination for this system of equations.
4x+160y=152
X+240y=88
Let's multiply the second equation by - 4 to eliminate the second equation.
4x+160y=152
-4x-960y=-352
-800y=-200
Let's divide.
-200:-800
-2:-8
0.25=y
Let's plug it into an equation.
x+60=88
X=28
Let's make sure this is the answer by plugging both numbers into the second equation.
4 (28) + 160 (0.25) = 152
112+40
152
So, X=28 and Y=0.25.
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