Asked by Vic
The problem is 9x+4y=-12
x=26-5y
Solve by substitution method
x=26-5y
Solve by substitution method
Answers
Answered by
Henry
Eq1: 9X + 4Y = -12.
Eq2: X = 26 - 5Y.
In Eq1, substitute 26 - 5Y for X:
9(26-5Y) + 4Y = -12,
234 - 45Y + 4Y = -12,
-41Y = -12 -234 = -246,
Y = 8.
In Eq2, substitute 6 for Y:
X = 26 - 5*6 = -4.
Solution Set = (X,Y) = (-4,6).
Eq2: X = 26 - 5Y.
In Eq1, substitute 26 - 5Y for X:
9(26-5Y) + 4Y = -12,
234 - 45Y + 4Y = -12,
-41Y = -12 -234 = -246,
Y = 8.
In Eq2, substitute 6 for Y:
X = 26 - 5*6 = -4.
Solution Set = (X,Y) = (-4,6).
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