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Q.
If 3x-y=27, 3x+y=243 then find the x value
A.
2
B.
8
C.
4
D.
1
View Answer
Correct choice: C
Explanation:
Given that 3x-y=27, 3x+y=243 ⇒3x-y =33 , 3x+y=35 => x-y=3, x+y=5 => x = 4
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