84=7/2n+7/2 find the value of n
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Answered by
1
84=7/2n+7/2
84-7/2=7/2n
161/2=7/2n
161/2×2n=7
161n=7
n=7/161
Answered by
1
84 = 7 by 2n + 7 by 2
84 = 7+7 by 2 = 14 by 2
84 = 14 by 2 n
84 × 2 = 14 n
168 = 14 n
168 ÷ 14 = n
12 = n ans
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