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Mathematics, 21.10.2020 01:01 Paigex3
Derek tried to solve an equation step by step.
\begin{aligned} 8d&=72 \dfrac{8d}{8}&=\dfrac{72}8& \green{\text{Step } 1} d&=8&\blue{\text{Step } 2} \end{aligned}
8d
8
8d
d
=72
=
8
72
=8
Step 1
Step 2
Find Derek's mistake.
Choose 1
Choose 1
(Choice A)
A
\green{\text{Step }1}Step 1start color #28ae7b, start text, S, t, e, p, space, end text, 1, end color #28ae7b
(Choice B)
B
\blue{\text{Step }2}Step 2start color #6495ed, start text, S, t, e, p, space, end text, 2, end color #6495ed
(Choice C)
C
Derek did not make a mistake.
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Derek tried to solve an equation step by step.
\begin{aligned} 8d&=72 \dfrac{8d}{8}&=\dfrac...
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