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- Solve {x + 7 = 12}.
Question 1:
Solve {x + 7 = 12}. A. 5
Feedback This is the simplest type of equation to solve.
What number added to 7 equals 12
The answer is 5 (because 5 + 7 = 12).
Therefore, x = 5 is the solution.
What number added to 7 equals 12
The answer is 5 (because 5 + 7 = 12).
Therefore, x = 5 is the solution.
B. 6
C. 11
D. 18
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