raihakazmi2007
Answered

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x+y=12
x-y=2



plz plz I need answer using substitution method

Sagot :

ojousamauchiha

Step-by-step explanation:

substitute first equation into second one

View image ojousamauchiha

Answer:

  • x = 7
  • y = 5

Step-by-step explanation:

❁ 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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