Answer:
16x + 19
Explanation:
Let's say number = x
two times a number = 2x or 2*x
added to -3 = 2x - 3
subtracted from twice the sum of nine times the number and 8
2(9x + 8) - (2x - 3)
Combining like terms
18x + 16 - 2x + 3
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