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Mathematics
Shaun Gamble
19 September, 04:18
Rewrite a. an = 19 - 7 (n-1)
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J
Jeremiah Peters
19 September, 06:37
0
Solution for an=19-7 (n-1) equation:
Simplifying
an = 19 + - 7 (n + - 1)
Reorder the terms:
an = 19 + - 7 (-1 + n)
an = 19 + (-1 * - 7 + n * - 7)
an = 19 + (7 + - 7n)
Combine like terms: 19 + 7 = 26
an = 26 + - 7n
Solving
an = 26 + - 7n
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Divide each side by 'n'.
a = 26n-1 + - 7
Simplifying
a = 26n-1 + - 7
Reorder the terms:
a = - 7 + 26n-1
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