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Mathematics, 21.07.2019 04:30 mrsali35
Equation 1: m = 8 + 2n equation 2: 4m = 4 + 4n step 1: −4(m) = −4(8 + 2n) 4m = 4 + 4n step 2: −4m = −32 − 8n 4m = 4 + 4n step 3: −4m + 4m = −32 − 8n + 4n step 4: 0 = −32 − 4n step 5: n = − 8 in which step did the student first make an error? equation 1: m = 8 + 2n equation 2: 4m = 4 + 4n step 1: −4(m) = −4(8 + 2n) 4m = 4 + 4n step 2: −4m = −32 − 8n 4m = 4 + 4n step 3: −4m + 4m = −32 − 8n + 4n step 4: 0 = −32 − 4n step 5: n = − 8 in which step did the student first make an error? plz
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Equation 1: m = 8 + 2n equation 2: 4m = 4 + 4n step 1: −4(m) = −4(8 + 2n) 4m = 4 + 4n step 2: −4...
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