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6. Solve the the following system of equations: 4y+2x=14 2y+2x=10

6. Solve the the following system of equations: 4y+2x=14 2y+2x=10
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6. Solve the the following system of equations: 4y+2x=14 2y+2x=10

User Zilma
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1 Answer

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4y+2x=14 ==> multiply this 1st equation by (-1) => -4y-2x=-14
Now add it up to the 2nd equation
-4y-2x=-14
2y+2x=10
-------------- And now add them up
-2y +0x=-4
==> -2y=-4==> 2y = 4 & y=2
Last step: plug y into any equation & you will find x=3
User JRichardsz
by
7.7k points
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