SOLUTION: please help me i am stuck .......... if 5x+y=19 and x-3y=7,then x+y=
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Question 924870
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please help me i am stuck ..........
if 5x+y=19 and x-3y=7,then x+y=
Answer by
ewatrrr(24785)
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5x+y=19 and
-5(x-3y=7)
16y = -26
y = -16/16
y = -1
x = 4
,
and...checking
x-3y=7 Yes
............
x+ y = 4 + (-1) = 3
x + y = 3