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Alik [6]
3 years ago
5

What should be the first step in adding these equation to eliminate y 12x - 2y = -1 + 4x + 6y =-4

Mathematics
1 answer:
barxatty [35]3 years ago
6 0

Answer:

See below

Step-by-step explanation:

<u>Assumed you need to solve the system:</u>

  • 12x - 2y = - 1
  • 4x + 6y = - 4

In order to solve this by elimination, triple the first equation and add the second one.

<u>It will make the coefficients of y same with opposite signs:</u>

  • -6y and 6y

When added together these cancel, leaving x as the only variable.

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