The work of a student to solve a set of equations is shown below:
Equation 1: m = 6 + n
Equat...
Mathematics, 14.12.2020 21:20 dooboose15
The work of a student to solve a set of equations is shown below:
Equation 1: m = 6 + n
Equation 2: 2m = 8 + 8n
Step 1: β2(m) = β2(6 + n)
2m = 8 + 8n
Step 2: β2m = β12 β 2n
2m = 8 + 8n
Step 3: β12 β 2n = 8 + 8n
Step 4: β20 = 10n
Step 5: n = β2
In which step did the student first make an error? (4 points)
a
Step 2
b
Step 3
c
Step
d
Step 5
Answers: 1
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