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WARM UP

WARM UP. -12(k + 4) = 60 63 = 6.50p + 17.50 Solve for x. 3x + 6y = 12. LOL. Lesson Target. I can solve and write equations using inverse operations. Study Guide. Check answers. Practice Test. Question #1. 5X + 15 = 50. X = 7. Question #2. 8x – 2x + 3 = 15 What’s the 1 st step?.

anastasia-nunez
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WARM UP

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  1. WARM UP • -12(k + 4) = 60 • 63 = 6.50p + 17.50 • Solve for x. 3x + 6y = 12

  2. LOL

  3. Lesson Target I can solve and write equations using inverse operations.

  4. Study Guide Check answers.

  5. Practice Test

  6. Question #1 5X + 15 = 50 X = 7

  7. Question #2 8x – 2x + 3 = 15 What’s the 1st step? Combine like terms on the left side.

  8. Question #3 8(3a + 6) = 9(2a – 4) A = -14

  9. Question #4 Determine how many solutions the following equation has. If the equation has one solution, solve for the variable. 3(6 – 4x) = -2(6x – 9) All real numbers

  10. Question #5 How many solution does the equation have? If there is only one, determine the value. -g + 2(3 + g) = -4(g + 1) G = -2

  11. Question #6 Find the value of x. 0.2(x + 50) – 6 = 0.4(3x + 20) X = -4

  12. Question #7 Solve for following equation for y. 6x + 3y = 12 Y = -2x + 4

  13. Question #8 Solve the following equation for a. =

  14. Question #9 What is the value of x if the perimeter is 28 cm? X = 5

  15. Question #10 If the formula for m = 3abc, what is the formula for b? b =

  16. Question #11 Write an equation and then determine the number described in the following statement: Four more than twice a number is four times a number less six. 2x + 4 = 4x – 6: x= 5

  17. Question #12 My refrigerator repairman charges $125 to make a house call and $25 for each hour worked. If you have $350, can you afford a repair that that takes 6 hours? No, h = 5

  18. Question #13 The product of a number and three is equal to twice the number subtracted from forty-five. 3x = 45 – 2x; x = 5

  19. Question #14 Alan brought cupcakes for his Math class. He gave half of them to the boys and 7 cupcakes to the girls. He had 2 cupcakes left after class. How many cupcakes did he bring? 18 cupcakes

  20. Question #15 Gary and Fred are working on their study guide. Gary can solve 6 questions per minute and Fred can only solve 3 questions per minute. If they both start at the same time, how many minutes will it be before Gary solves 9 more questions than Fred? 3 minutes

  21. Question #16 Ruby says the following equation has infinitely many solutions but Joanna says there are no real solutions for the equation. Solve. Who’s right? -10y + 18 = -3(5y – 7) + 5y No solution. 18 ≠ 21

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