Question

two step equations with decimals
score: 2/4 penalty: 1 off
question
solve for b.
\\(\frac{b}{0.5} - 2.1 = -7.1\\)
answer
attempt 1 out of 2
\\(b = \\)
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Explanation:

Step1: Add 2.1 to both sides

$$-\frac{b}{0.5} - 2.1 + 2.1 = -7.1 + 2.1$$
$$-\frac{b}{0.5} = -5$$

Step2: Multiply by -0.5 on both sides

$$-\frac{b}{0.5} \times (-0.5) = -5 \times (-0.5)$$
$$b = 2.5$$

Answer:

$2.5$