Answer:
Simplifying
an = 8n + -7
Reorder the terms:
an = -7 + 8n
Solving
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Divide each side by 'n'.
a = -7n-1 + 8
a = 8 + -7n-1
-8(-4) + y = 37
32 + y = 37
y = 5
when x = -4, y = 5
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Step-by-step explanation:
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9.) .784 . 10) 0.29
