section 10.2 solving two step equations (math)
TRANSCRIPT
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Section 10.2
Solving Two-Step Equations
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Algebraic EquationsMultiplication with Subtraction
2x = 10
2x = 102 2x = 5
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Algebraic EquationsMultiplication with Subtraction
x – 4 = 8+4+4
x = 12
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Algebraic EquationsMultiplication with Subtraction
x
4= 10(4) (4)
x = 40
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Algebraic EquationsMultiplication with Addition
x = 6
x = 18/2 = 9
23
(HINT)Reciprocal
32
32
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Algebraic EquationsMultiplication with Subtraction
2x – 4 = 8+4+4
2x = 122 2x = 6
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Algebraic EquationsMultiplication with Addition
5x + 10 = 80-10-10
5x = 705 5x = 14
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Algebraic EquationsMultiplication with Subtraction
-3x – 4 = -82+4+4
-3x = -78-3 -3x = 26
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Algebraic EquationsMultiplication with Addition
2/3x + 2 = 8-2-2
x = 6
x = 18/2 = 9
23(HINT)
Reciprocal
32
32
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Algebraic EquationsDivision with Addition
x/5 + 2 = 8-2-2
= 6
x = 30
x5
(5) (5)
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Algebraic EquationsDivision with Addition
= 7
X + 10 = 28
X + 10 4
(4) (4)
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Algebraic EquationsDivision with Addition
= 6
X - 13 = 30
x - 13 5
(5) (5)
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Algebraic Equations
C.L.T.
-20-20
10x = 6010
4x +6x + 20 = 80( )10x + 20 = 80
10
x = 6
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12 12
7x + 5x - 12 = 48 12x - 12 = 48
+12+12
12x = 60
X = 5
Algebraic Equations
Distributive Property
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Algebraic Equations
C.L.T.
-12-12
5x = 805
3x + 2x + 20 - 8 = 92
5x + 12 = 92
5
x = 16
( ) ( )
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