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Mathematics
Anastasia Ryan
9 February, 23:50
Solution for x=5-y and x+y=15
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Marshall Haas
10 February, 03:27
0
It might be no solution:
steps-
x=5-y
x+y=15
substitute the x (which is the top problem) into the second one.
(5-y) + y=15
cancel it out
(5-y) + y=15
-5. - 5
a negative plus a positive is gonna equal 0
-y+y=15-5
0=10
that is no solution ...
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