chris507 chris507
  • 09-04-2018
  • Mathematics
contestada

The answer for this system

The answer for this system class=

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wolf1728
wolf1728 wolf1728
  • 09-04-2018
A) 2x + 3y = 21
B) -3x + y = -4
Multiply equation B) by -3
B) 9x -3y = 12  then adding it to equation A
A) 2x + 3y = 21
11x = 33
x = 3

A) 2x + 3y = 21
2*3 + 3y = 21
3y = 15
y = 5



Answer Link
AnahiDiazdl AnahiDiazdl
  • 09-04-2018
x equals 3
y equals 5
(3,5)
Answer Link

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