Answer
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Step 1:: Substitute the given value of x into the expression 7 - 2x.
7 - 2x = 7 - 2(-3)
Step 2:: Follow the order of operations (PEMDAS/BODMAS) and perform multiplication.
= 7 + 6
Step 3:: Lastly, do addition.
= 13
Final Answer
The value of 7 - 2x when x = - 3 is 13.
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