Unit 4: One Step Equations Review. X + 29 = 82 X – 4.3 = 13.

Unit 4: One Step

Equations Review

X + 29 = 82

X – 4.3 = 13

3 14 2

x

1.2X = 18

X ÷ 8 = 23

The area of a rectangle is 98 sq. mm. If the length of

the rectangle is 14 mm, what is the width? Write an

equation AND solve.(Area of a rectangle = length · width)

1 11 24 3x

X -74 = 123

X ÷ 0.7 = 1.3

3 37 4

x

The perimeter of a triangle is 72 inches. One side measures 31 inches, and another side measures 16 inches. What is the length of the third side?

Write an equation AND solve.

19.2 = x + 5.01

4 39 4

x

807 = 3x

X - 27 = 39

The area of a triangle is 50 sq. cm. The base measures 10 cm. What is the height of

the triangle. Write an equation AND solve.

(Area of a triangle = ½ · b · h)

618x

0.6x = 3.48

X - 268 = 102

1 1022 11x

X – 23.1 = 6.72

The distance from McClure to the GA Aquarium is 37 miles. You

know The Varsity is 8 miles from the GA Aquarium. Write an

equation AND solve to find the distance from McClure to The

Varsity.

37 105

x

2.52 = 12X

5 58 6

x

17 years ago Michael Jordan broke the record for the most

consecutive games played. If Mr. Jordan is 42 today, how old was he when he broke the record? Write

an equation AND solve.

Answers 1. Title slide2. X = 533. X = 17.34. X = ¼5. X = 156. X = 1847. 14x = 98 X= 7mm8. X =9. X = 19710. x = 0.91

13115

Answers Continued11. X =12. 72 = 31 + 16 + x OR 72 = 47 + x x = 25 in. 13. X = 14.1914. X = ⅓15. X = 26916. X = 6617. 50 = ½ · 10 · h OR 50 = 5h h = 10 cm.18. X = 10819. X = 5.820. X = 370

5128

Answers Continued

21. X =22. X = 29.8223. X + 8 = 37 x = 29 miles24. X =25. X = 0.2126. X = 27. X + 17 = 42 x = 25 years old

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