Asked by Jacqueline
Solve the following system of equations for the unknown variables.
x + y = 12
x – y = –2
(NOTE: Show answer in the following format (#,#). If not entered in this format, will be scored incorrect.)
Answers
Answered by
Reiny
real simple, just add them
2x = 10
so x=5
plug back into the first: 5+y = 12 ----> y = 7
check in the 2nd equation.
2x = 10
so x=5
plug back into the first: 5+y = 12 ----> y = 7
check in the 2nd equation.
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