21-12-2014
Mathematics

Answered

eliminate 3x+2y=4

8x-3y=-6

Verified Answer :

Porshia Porshia

21-12-2014

Steps:
1. Multiply the first line by 3 and the second by 2
3(3x + 2y= 4)
2(8x -3y=-6)
2. New lines are
9x + 6y= 12
16x + -6y=-12
3. Now add/subtract them
25x + 0= 0
25x=0
4. Divide by 25
X=0

To find y, substitute the 0 in the x in one of the equations

9x + 6y= 12

9(0) + 6y= 12

6y= 12

Divide by 6, your Y=2
X=0, Y=2

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