X + Y = 8
+ +
X - Y = 6
= =
13 8
Answers
Answered by
0
Answer:
×+y=8 ••(1)
×-y=6 ••(2)
x=8-y
put in equ••2
8-y-y=6
-2y=6-8
-2y= -2
y=1
put equ. ..1
x+1=8
×=8-1
×=7
Answered by
0
Add together
2x+y-y=14
+y-y cancel out
2x=14
X=7
7+y=8
Y=8-7
Y=1
X=7. Y=1
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