4. If 2x + 5y = 10 and 5x + 2y = 18, find the value of x +
y. *
Answers
Answered by
2
Answer:
x+y= 4
Step-by-step explanation:
5x+2y=10
2×+5y=18
---------------
7x+7y=28
x+y=4 ( dividing through out by 7)
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