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5x + 2y = 12

5x – 2y = 28

Sagot :

saraalvi00

Answer:

x=4 and y=-4

Step-by-step explanation:

5x+2y=12

5x-2y=28

adding both equations

10x=40

x=4

now put x=4  for y in any of equation

 5(4)+2y=12

20+2y=12

2y=12-20

y=-8/2

y=-4

mankumaribhandari09

Answer:

x=4

y=-4

Step-by-step explanation:

you can do it by elimination method

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