P. 96 13141516 17181920 21222324 25262728 29303132 333435 5x - 3 3m – 6n 5x - 6 9y – 25z 5y - 9 a - 7 -16a+27b-32c -2x + 6y -19x +2y -3a + 9 8n + 7 -a.

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Presentation transcript:

p x - 3 3m – 6n 5x - 6 9y – 25z 5y - 9 a a+27b-32c -2x + 6y -19x +2y -3a + 9 8n + 7 -a – 4b -7a – 5b 012m + 5n 6x – 4ya + 4b -6p + 2q

(31) Simplify: [9 – 2 ( ) ] [9 – 2(1)] 7

(35) [4 ( ) + 11] – [14 – ( ) ] 19 [4 ( 3 ) + 11] – [14 – ( 10 ) ] [ ] – [4]

QQ A,C,E,GB,D,F Simplify: 15y – (2x – 3y)7b – (3a – 5b) 26m – 3(5m – 2)4j – 2(7j – 8) 3 50 –[12 – (16 + 5)]39 –[13 – (15 + 3)]

QQ A,C,E,GB,D,F Simplify: 15y – (2x – 3y)7b – (3a – 5b) 26m – 3(5m – 2)4j – 2(7j – 8) 3 50 –[12 – (16 + 5)]39 –[13 – (15 + 3)] 8y – 2x 6 – 9m 16 – 10j 12b – 3a – 10j +16 – 9m

By inserting grouping symbols, how many different values can you give the expression = 38

Problem Solving Strategy Write an Equation

In two days Lupe hiked 65 km. She hiked 34.3 km the first day. How far did she hike the second day? Let x = km that Lupe hiked the second day. 65 km x34.3 km 65 = x x =

Dan earns $3 for every lawn he mows. How many lawns must he mow to earn $54? Let x = # of lawns mowed $54 = x $3

Tania sold three times as many tickets as Michele. Michele sold 16 tickets. How many did Tania sell? Let T = tickets that Tania sold Michele = 16 T = 3 16

PRACTICE TEST Page 110,