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How do you work out 7n plus 1 equals 6n plus 8?
7n + 1 = 6n + 8 7n=6n+7 (minus 1 from each side) n=7 (7n-6n equals n, you are left with n=7)
What is 7n plus (-1)45?
The expression ( 7n + (-1) \cdot 45 ) simplifies to ( 7n - 45 ). Here, ( (-1) \cdot 45 ) equals (-45), so the final result is ( 7n - 45 ).
What is the answer to 7n equals 91?
7n = 91n = 91÷7n = 13
.5m plus 7n equals 6.4 2m - 7n equals 6?
(10, 2)
7n - 2 plus 3n plus 4 equals?
7n - 2 + 3n + 4 = 7n + 3n - 2 + 4 = 10n + 2 which can be simplified to 2(5n +1)
7 times n divided 21 equals 1 what is n?
n = 3Solution:7n/21 = 17n = 1 * 217n = 21n = 21/7n = 3
What is the answer of this questions 7n equals 28?
7n = 28n = 28/7 = 4
What is the answer to 5m plus 7n equals 6.4 2-7n equals 6?
2 - 7n = 6therefore 7n = 2 - 6 = -4 and so n = -4/7 Then 5m + 7n = 6.4 becomes 5m - 4 = 6.4 so that 5m = 10.4 and then m = 10.4/5 = 2.08
What is 7n squared minus 7n?
7n(n−1)
What is the equation 7n equals 7?
7n = 7 divide by 7 on both sides n = 7
How do you solve 1 minus 7n equals 15 minus 5n?
1 - 7n = 15 - 5n Add 5n to each side: 1 - 7n + 5n = 15 -5n + 5n ie 1 - 2n = 15; subtract 1 from each side: -2n = 14 divide both sides by -2: n = -7
What is 9n-2 equals 7n plus 50?
9n-2=7n+50 7n+9n=50+2 16n=52 n= 3.25
