If 3x + 5y = 9 and 5x + 3y = 7 then What is the value of x + y ?
(A) 2 (B) 16 (C) 9 (D) 7
Answers
Answered by
9
Answer:
a. 2
Step-by-step explanation:
add these both equation you get
8x+8y=16
or x+y=2
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