If 2x+y = 23 and 4x- y = 19, then find the values of 5y - 2x and
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Answered by
13
Answer:
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Answered by
5
Answer:
21
Step-by-step explanation:
by solving the 2x + y = 23 and 4x - y =19
6x = 42
x = 7
sub x =7 in 2x+y=23
Y=9
by sub x=7 y=7
45-14= 31
the ans be 21
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