a = 3 !
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7x - 8a = 3x + 24a First, add 8a to both sides: 7x = 3x + 24a + 8a Now subtract 3x from both sides to get all x terms on one side: 7x - 3x = 24a + 8a Simplify... 4x = 32a And divide both sides by 4: x = 32a / 4 = 8a x = 8a
9a-a = 19+7a 8a = 19+7a 8a - 7a = 19 + 7a - 7a 1a = 19 a = 19
It depends on your value of a. However, if a is just a constant, you can simplify as such: 3-8a-1 = 2-8a
5 over 2 thats the answer
They are: 1, 2, 4, 8, a, 2a, 4a and 8a.