An = -15 + 9(n - 1), since the first term is 15 and for each consecutive term we are adding 9 to the previous term
The answer is x= -3, or <span> x = -2/11 = -0.182</span>
X =3 because you subtract 5 from both sides of the equation
For the question mark, we can insert a variable considering it is an unknown number.
Answer:a=-13
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4
Step-by-step explanation: