If 3x+5y=9 and 5x+3y=7 then what is the value of x+y? *
2
16
9
7
Answers
Answered by
3
Answer:
3x + 5y = 9 ... (a) 5x + 3y = 7 ... (b) equation (a) + (b) 8x + 8y = 16
Answered by
1
Answer:
a 2
Step-by-step explanation:
if you cross mutiple we get the answer
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