Mathematics, 08.10.2020 07:01, 23gordns
Justifying Algebraic Equations
Use the properties from the word bank to justify each step in solving the following equations.
Word Bank:
Addition Property of Equality Subtraction Property of Equality
Multiplication Property of Equality Division Property of Equality
Distributive Property Combine Like Terms
Symmetrical Property
Equation Steps Property
Given 2( โ 9) = โ10, Prove x = 4
1. 2( โ 9) = โ10 1.
2. 2 โ 18 = โ10 2.
3. 2 = 8 3.
4. = 4 4.
Equation Steps Property
Given 10 โ 4 = 2 โ 20, Prove k = โ 2
1. 10 โ 4 = 2 โ 20 1.
2. 8 โ 4 = โ20 2.
3. 8 = โ16 3.
4. = โ2 4.
Equation Steps Property
Given 5 โ 42 = 12, Prove n = โ 6
1. 5 โ 42 = 12 1.
2. โ42 = 7 2.
3. โ6 = 3.
4. = โ6 4.
4.
5.
Equation Steps Property
Given โ8( + 1) = โ5( + 10), Prove w = 14
1. 1.
2. โ8 โ 8 = โ5 โ 50 2.
3. โ3 โ 8 = โ50 3.
4. โ3 = โ42 4.
5. = 14 5.
Equation Steps Property
Given 14 โ 2( + 8) = 5 โ (3 โ 34), Prove x = โ 9
1. 1.
2. 14 โ 2 โ 16 = 5 โ 3 + 34 2.
3. โ2 โ 2 = 2 + 34 3.
4. โ4 โ 2 = 34 4.
5. โ4 = 36 5.
6. = โ9
Answers: 2
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Answers: 2
Justifying Algebraic Equations
Use the properties from the word bank to justify each step in solvin...
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