solve the
linear equations 2x+y=23 and
4x- y = 19.
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Answer:
x =7 and y=9
Step-by-step explanation:
using elimintion
2x+y=23
4x- y = 19 (add the equations)
_______
6x = 42
x = 7
evaluating the value of x in 2x+y=23, we get
2(7) +y =23
y= 23-14 = 9
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