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rendelynchiu rendelynchiu
  • 13-12-2014
  • Mathematics
Answered

Solving system by elimination

7x+2y=24

8x+2y=30

Verified Answer :

ayah1
ayah1 ayah1
  • 13-12-2014

7x+2y=24
-8x-2y=-30 (multiplied each side by -1)
-x = -6
x = 6

7x+2y=24
7(6)+2y=24
42+2y=24
2y = -18
y = -9

Answer Link
Potatoes143 Potatoes143
  • 13-12-2014

7x+2y=24
-8x-2y=-30
-x=-6
x=6
7(6)+2y=24
42+2y=24
2y=-18
y=-9

Answer Link

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