Answer:
2x -2 + 5x -45 7x -47
Explanation:
2*x = 2x
2*-1 = -2
5*x =5x
5*-9 = -45
2(x-1) + 5(x-9)
2x - 2 + 5x - 45
2x + 5x - 2 - 45
7x - 47
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