d. = 8 (x+1) = 10 (x - 1)
x=?
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Answer:
x=9
Step-by-step explanation:
8 (x+1) = 10 (x - 1)
8x+8=10x-10
8+10=10x-8x
18=2x
2x=18
x=18/2
x=9
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