12. in what point does the linear equations x + 2y =8 and 3x + y = 9 intersect?
A. (3,2)
B. (1,3)
C. (2,3)
D. (3.3)
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12. in what point does the linear equations x + 2y =8 and 3x + y = 9 intersect?
A. (3,2)
B. (1,3)
C. (2,3)
D. (3.3)
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x+2y=8
x=8-2y equation 1
3x+y=9 equation 2
Substitute equation 1 into equation 2
solve for the value of y then find x
x and y are the point of intersection.