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Annie thought of a number. She then multiplied this number by 2 and then subtracted 4. Her final answer was 10. What number did she start with?

Sagot :

Answer:

Annie thought of the number ; '7'

Step-by-step explanation:

Let the no. be; 'x'

The no. multiplied with 2 = 2x

Then subtracted from 4 = 2x - 4

Final answer= 10

Thus, 2x - 4 = 10

Now lets solve the equation;

2x = 10 + 4 = 14

x = 14 divided by 2 = 7

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