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Mathematics, 19.11.2020 18:40 sanakhalid8881

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: βˆ’2(m) = βˆ’2(6 + n) 2m = 8 + 8n Step 2: βˆ’2m = βˆ’12 βˆ’ 2n 2m = 8 + 8n Step 3: βˆ’12 βˆ’ 2n = 8 + 8n Step 4: βˆ’20 = 10n Step 5: n = βˆ’2 In which step did the student first make an error?

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