If x + 3y = 13 and 3x + y = 7 then x + y =
O A. 2
OB. 7
O c. 4
.
OD. 5
Answers
Answered by
0
Answer:
5
Step-by-step explanation:
(X+3Y=13)*1
(3X+Y=7)*3
X+3Y=13
9X+3Y=21
Solving this equation
X=1,Y=4
X+Y=5
Answered by
0
Answer:
option d 5 is the answer
refer to the image for solution
hope it will help you
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