Question

Twice the difference of a number and 9 is 8​

Answer 1

Answer:

13

Step-by-step explanation:

Think: 2(x-9)=8; x = the answer

2(x-9)=8

2x-18=8   (distributive property)

2x=26     (add 18 to both sides)

x=13         (divide both sides by 2)

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