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Solve the equation using Linear Combination Method, and show work.



2x - 3y = 13

x + 2y = -4

Verified Answer :

abroderick2020

2x-3y=13
x+2y=-4

First times the second problum by 2.
2x-3y=13
2(x+2y=-4)

Your new problum is
2x-3y=13
2x+4y=-8

Now subtract both problums
2x-3y=13
-2x+4y=-8
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-7y=-21

Now divde the -7 on both sides.
-7y=-21
/7      /-7
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y=2

Now you want to substitute the y for the 2 in on of your problums.
x+2(2)=-4

Now mutiplie the 2 by the 2
x+4=-4

Now subtract the 4 on both sides to solve for x.
x+4=-4
   -4   -4
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x=-8