Answer:
a = 162.
Explanation:
1/27 a + 3 = 9
1/27 a = 9 - 3 = 6
Multiply both sides by 27:
a = 6 * 27
a = 162
9 = 1/27 a +3
Subtract 3 from each side
9-3 = 1/27 a +3-3
6 = 1/27 a
Multiply each side by 27
6*27 = 1/27 a *27
162 = a
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