taylorkorey15 taylorkorey15

23-01-2024
Mathematics

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Lin is solving this system of equations: {6x−5y=343x+2y=8 She starts by rearranging the second equation to isolate the y variable: y=4−1.5x . She then substituted the expression 4−1.5x for y in the first equation as shown: Step 1: 6x−5(4−1.5x)=34 Step 2: 6x−20−7.5x=34 Step 3: −1.5x=54 Step 4: x=−36 Step 5: y=4−1.5x Step 6: y=4−1.5(−36) Step 7: y=58 In which step did Lin write the equation that contained the error that caused the system to be solved incorrectly?

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