Write the statement in symbols, using x as the variable, and find the solution by guessing or by using trial and error. All solutions come from the list of integers between -12 and 12 inclusive.When 9 is added to another number the result is 19.
A. x + 9 = 19; 10
B. 19 - 9 = x; 10
C. x + 19 = 9; -10
D. 9 + 19 = x; 28
Answer: A
Mathematics
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