X equals -3. if you need the steps just search up the equation!
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Answer:
8
Step-by-step explanation:
Solve for x:
x - 8 = 0
Hint: | Isolate terms with x to the left hand side.
Add 8 to both sides:
x + (8 - 8) = 8
Hint: | Look for the difference of two identical terms.
8 - 8 = 0:
Answer: x = 8
-7n + 9 because the common difference is -7, so you have -7n, and then by plugging in the term numbers and the values, you find out that you need to add 9 to the -7n, so the answer is -7n + 9