1- Alicia and Jamal completed the following proof:
Given: 3x+7=x-5
Proof: x=-6
Alicia's Method:
Statements- Reasons-
3x+7=x-5 Given
2x+7=-5 Subtraction Property of Equality
2x=-12 Subtraction Property of Equality
x=-6 Division Property of Equality
Jamal's Method:
Statements- Reasons-
3x+7=x-5 Given
7=-2x-5 Subtraction property of equality
12=-2x Addition property of equality

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