(
2
15
77
10
2_-4
2
15
(2)
+
5
x+y
-2
x+y X-
27
31
(3)
+
=85 :
31 27
-
-89
x-
2y+3
x-2
y +3
1
1
(4)
+
3x + y
3x - y
4
2(3x + y) 23
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Answered by
2
Answer:
Sorry please resend the question
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