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Mathematics, 03.02.2022 03:50 ijeomaokoro2264
Ernesto tried to determine the solution for the system of equations using substitution. His work is shown below.
x β y = 7
3x β 2y = 8
Step 1: x = y + 7
Step 2: 3(y + 7) β 2y = 8
Step 3: 3y + 7 β 2y = 8
Step 4: y + 7 = 8
Step 5: y = 1
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