Algebra111111!!!
posted by Margie .
Choose the ordered pair that is a solution to the system of equations.
x + y = 12
x + 2y = 3
a. (7, 5)
b. (5, 7)
c. (7, 5)
d. (7, 5)
e. none of the above
This question wants you to find the point of intersection of the two lines, provided they're not parallel.
Solve
x + y = 12
x + 2y = 3
If you add them together you get
3y=15 so y=5, put that in either equation and solve for x. Try the first one
x + 5 =12 so x = 7 or x=7
The point would be x=7 and y=5
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