Asked by frank
solve the system of equations
x+y=1
x-y=5
x+y=1
x-y=5
Answers
Answered by
Henry
X + Y = 1
X - Y = 5
Add the 2 Eqs and get:
2X + 0 = 6,
2X = 6,
X = 3.
Substitute 3 for X IN Eq1:
3 + Y = 1,
Y = 1 - 3 = -2.
Solution set: (X , Y) = (3 , -2).
X - Y = 5
Add the 2 Eqs and get:
2X + 0 = 6,
2X = 6,
X = 3.
Substitute 3 for X IN Eq1:
3 + Y = 1,
Y = 1 - 3 = -2.
Solution set: (X , Y) = (3 , -2).
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