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Mathematics, 09.12.2020 22:30 shawntawright1

Chuy tried to determine the solution for the system of equations using substitution. His work is shown below. x – y = 7 3x – 2y = 8 Step 1: x = y + 7 Step 2: 3(y + 7) – 2y = 8 Step 3: 3y + 7 – 2y = 8 Step 4: y + 7 = 8 Step 5: y = 1 In which step did Chuy make the first error?

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Chuy tried to determine the solution for the system of equations using substitution. His work is sho...
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