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Section 2. Exercises 92 and 94 Use the appropriate property of equality to solve each equation. 7r/12 = -14 94. 1/3s + 7/9 = 4/3s Section 2.2...

Section 2.1: Exercises 92 and 94
Use the appropriate property of equality to solve each equation.
92. 7r/12 = -14

94. 1/3s + 7/9 = 4/3s

Section 2.2 Exercise 78, 86, and 90
78. v _ 4(4 _ v)__2(2v _ 1)
86 9 – 2m/7 = 19

90. 3(x _ 0.87) _ 2x _ 4.98


Section 2.3: 14, 22, 32, 54, and 68

14. x/2 – x/3 = 5

22. 1/15k + 5= 1/6k – 10

Solve each equation by first eliminating the decimal numbers.

32. 0.5b _ 3.4 _ 0.2b _ 12.4
54. - 6x + 3 = -7 - 5x

Identify each as a conditional equation,
an inconsistent equation, or an identity.

68. 3 - 3(5 - x) = 0


Section 2.4: 32, 54, 72, and 82

Solve each equation for x.

32. x - a = -x + a + 4b
Solve each equation for y.
54. Y + ½ = -1/3 (x + ½)
Fill in the tables using the given formulas.
72. S = n(n + 1)(2n + 1)
6
N S
1 ?
2 ?
3 ?
4 ?
5 ?

82. Finding MSRP. What was the MSRP for a Hummer H1
that sold for $107,272 after an 8% discount?



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