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What is the value of \( q \) in the equation \( q - 7.1 = 8.3 \) and why?

A. 15.4, because to isolate \( q \), you would add 7.1 to 8.3.

B. 1.2, because to isolate \( q \), you would subtract 7.1 from 8.3.

C. -1.2, because 7.1 - 8.3 = -1.2.

D. -15.4, because -7.1 - 8.3 = -15.4.

Answer :

[tex]\begin{gathered} q-7.1=8.3 \\ \text{Add 7.1 to both sides:} \\ q-7.1+7.1=8.3+7.1 \\ q=15.4 \end{gathered}[/tex]

Answer:

A.] 15, 4 because to isolate q, you would add 7.1 and 8.3

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