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Lisa [10]
3 years ago
6

X+y=12 x-y=2 plz plz I need answer using substitution method

Mathematics
2 answers:
stiks02 [169]3 years ago
8 0

Step-by-step explanation:

substitute first equation into second one

Gnoma [55]3 years ago
6 0

<u>Answer</u>:

  • x = 7
  • y = 5

<u>Step-by-step explanation</u>:

❁ Hello! ❁

{x + y = 12 __ {x = 12 - y

{x - y = 2 {12 - y - y = 2

{x = 12 - y __ {x = 12 - y

{12 - 2y = 2 {-2y = 2 - 12

{x = 12 - y __ {x = 12 - y

{-2y = -10 {y = 5

{x = 12 - 5 __ {x = 7

{y = 5 {y = 5

Success! ☺️

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