Topic 1 Review Solving Equations

Linear Equations

100

Solving Equations

4x + 3 = 7

x = 1

200

Solving Equations

4(6 + 5x) = 124

x = 5

300

Solving Equations

-108 = -8(x + 6) - 4

x = 7

400

Solving Equations

172 = 5(4a + 6) + 2

a=7

500

Solving Equations

-93 = 7(-3k - 8) + 5

k = 2

Variables on Both Sides

100

Solving Equations

5n - 2 = 8n - 14

n = 4

200

Solving Equations

-4(-8p + 1) = -4 - 8p

p = 0

300

Solving Equations

6(6n - 2) = 8n - 40

n = -1

400

Solving Equations

5x + 5 + 4x = 4 - 3x + 6

x= 5/12    or    x= 0.41667

500

Solving Equations

-5(8n - 4) - n = - 16 - 5n

n = 1

Literal Equations

100

ax – 13 = 11

x= 24 / a

200

bx + g = 14

x= (14 - g) / b

300

(x/a) +g=-8

x= a(- 8 - g)

400

(x/y)-2p=10

x= y (10 + 2p)

500

(y/x) + r = v

x= y / (v - r)

Word Problems

100

What is the only food that can never go bad?

honey

200

How many sides does a decagon have?

10 sides

300

What is the tallest building in the world?

Burj Khalifa in Dubai

400

What is the busiest airport in the world?

Hartsfield-Jackson Atlanta International Airport (ATL)

500

What is the capital of Jordan?

Amman

Inequalities

100

4 < -8 + x

x > 12

200

-x + 12 < 0

x > -12

300

4x + 1 > 17

x > 4

400

x+4<2 or x-1>5

x<-2 or x>6

500

-5< x-3 < 1

-2 < x < 4