Chapter 3 Review

One Step Equations

100

2x = 6

X=3

200

X + 8 = 89

X=81

300

8x = 56

X = 7

400

x - 6 = -3

X= 3

500

 10x = -90

x= -9

Two Step Equations

100

2x-1=3

x=2

200

3x-12 =6

x= 6

300

5x+6=-4

x=-2

400

3x - 20 = -5

x= 5

500

Ten more than five times a number is 25. Find the number.

X=3

Writing expressions and equations

100

The sum of a number and 5

5 + x

200

Twice as many apples

2x

300

The quotient of 56 and a number is 14

56 ÷ x = 14

400

Ten years older than Theresa’s age is 23

10+x=23

500

Four less than a number is 19

x-4=19

Perimeter and Area

100

Perimeter of a rectangle with length 3 in and width 2 in

P=10in

200

Area of a rectangle with length 5 cm and width 6cm

A=30cm2

300

Perimeter of a square with length measuring 4 in

P=16in

400

Find the width if perimeter= 56mi and Length=21mi

W=7mi

500

Find the width if Area= 200in2 and the length=20in

W=10in