Scott was considering the equation 5 – x = 12. He said, "That seems impossible. How can I start with 5 and subtract from it and
have more than 5 as the difference?" Write a note to Scott explaining what the solution for x is and why it is possible.
1 answer:
Answer:
x = -7
Step-by-step explanation:
Given:
5 – x = 12
Subtract 5 from both sides
5 – x - 5 = 12 - 5
- x = 7
Note: the coefficient of -x is -1
- x = 7
Divide both sides by the coefficient of -x
- x / -1 = 7 / -1
x = -7
Check
5 – x = 12
5 - (-7) = 12
5 + 7 = 12
It is possible to subtract a number from 5 and have more than 5 as your answer when the unknown number is a negative value
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