Unit 2 Chapter 2 Section 3 Solving 1 Step Equations.notebook
October 14, 2015
Bellringer
Simplify each expression. 1) 6p ­ 12n + 13p + 3n
2) 14x2 ­ 2x + x2 ­6x
3) 5(x ­ 7) + 12
4) ­8(y + 6) + 4y
Jul 26­12:38 PM
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Unit 2 Chapter 2 Section 3 Solving 1 Step Equations.notebook
October 14, 2015
Sep 17­3:01 PM
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Unit 2 Chapter 2 Section 3 Solving 1 Step Equations.notebook
October 14, 2015
Unit 2
Chapter 2 Section 3
Solving One Step Equations
Objective: To solve equations by adding, subtracting, multiplying or dividing
To solve an equation, you want to get the variable alone on one side of
the equation. To do this, you must use inverse operations.
Inverse Operations: operations that undo each other
Examples: Addition/Subtraction
Multiplication/Division
Jun 6­8:17 PM
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Unit 2 Chapter 2 Section 3 Solving 1 Step Equations.notebook
October 14, 2015
Addition Property of Equality: if you add the same value to each side of
the equation, the two sides remain equal.
If a = b then a + c = b + c
Solving Equations by Adding
1) x ­ 34 = ­46
2) z ­ 104 = 64
3) 24 = m ­ 19
4) ­35 = y ­ 65 Jun 10­10:28 AM
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Unit 2 Chapter 2 Section 3 Solving 1 Step Equations.notebook
October 14, 2015
Subtraction Property of Equality: if you subtract the same value to each
side of the equation, the two sides remain equal.
If a = b then a - c = b - c
Solving Equations by Subtracting
5) x + 2.6 = ­3.4
6) 18 + y = 9
7) 13.5 + z = 15
8) n + 37 = ­25
Sep 8­8:16 PM
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Unit 2 Chapter 2 Section 3 Solving 1 Step Equations.notebook
October 14, 2015
Oct 14­9:01 AM
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