2.) 6 times the difference between X and 9 3.) Half of R times 5

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2.) 6 times the difference between X and 9 3.) Half of R times 5 Warm-up October 13, 2016 1.) (6T – 7E) + (4T + 11E) 2.) 6 times the difference between X and 9 3.) Half of R times 5 4.) (6T – 7E) – (4T + 11E) C

Two-step equations Identify the variable Identify the constant side of the equation You will be left with an addition or subtraction operation – do the opposite to move the number to the constant side Re-write what’s left as a one-step equation You will be left with a multiplication or division operation – do the opposite to move the number to the constant side

Go to Example 1 on page 284 in your textbook. Now go to the Guided Practice section on page 286 in your textbook. 13 = 1 + 4S -3Y – 5 = 10 -7 = 1 + 2/3N

Class work Chapter 4, Lesson 4, page 287 Problems 1 – 6 and 8 - 10 What is not completed in class is HW Use your time wisely………….

76 + 7 = 9) 76 * (-7) = 76 + (-7) = 10) 77 ÷ (-7) = -76 + 7 = 11) -76 * 7 = -76 + (-7) = 12) -77 ÷ 7 = 76 – 7 = 76 – (-7) = -76 – 7 = -76 – (-7) =

Write an algebraic expression Ticket out the Door 35 more than 28 times R The difference between 13 and the product of 26 and Y One tenth of T plus 47 The quotient of 6 and a number Y, increased by one Kevin is k years old. His brother Abe is 4 years younger than Kevin. Represent how old Abe will be in 20 years.

28R + 35 or 35 + 28R 26 Y - 13 T/10 + 47 6/Y + 10 K - 4 + 20 or K + 16

Simplifying algebraic expressions practice 1.) 6B + (-8B) + 5B + 3V – (-2V) 2.) - 6G + 5T + (-3G) – 2T – 4G 3.) 9H + 12H – (-13H) + (-6) + (-4J) 4.) 6M – (-3M) – (-5M) + 8U – 12U 5.) 8K + (-2W) – (-7K) + 8 + 4W – 3W – (-7) TOTD

Use the distributive property and combine like terms 11.) -6 (-5M + (-6G)) 12.) 5 (4H – (-4L)) 13.) 3 (3D + 3E) + 7(5D – 6E) 14.) 14B + (-12B) + -5(7Y – 9K) 15.) 11A + 3E + (5E + (-2A)) + (5)(5F - 7R)