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3 over 4 n minus 18 equals 1 over 4 n minus 4 Solve
asked
Jan 26, 2017
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1
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3 over 4 n minus 18 equals 1 over 4 n minus 4
Solve
Mathematics
middle-school
FrankSharp
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FrankSharp
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2
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3
votes
3/4n - 18 = 1/4n - 4
3/4n = 1/4n - 4 + 18
3/4n - 1/4n = -4 + 18
2/4n = 14
1/2n = 14
n = 14 × 2
n = 28
Monalisa
answered
Jan 28, 2017
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Monalisa
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4
votes
n=28.
Step 1: Subtract 1/4n from both sides.
34
n
−18
−
14
n
=
14
n
−4
−
14
n
12
n
−18
=
−4
Step 2: Add 18 to both sides.
12
n
−18
+18
=
−4
+18
12
n
=14
Step 3: Multiply both sides by 2.
2*
(
12
n
)
=
(2)
*
(14
)
BobGao
answered
Jan 29, 2017
by
BobGao
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