Solving Equations: 1-1 and 1-2

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

Solve for y. 

2x + y = 7

y = -2x +7

200

Solve for y.

2x - y = 10

y = 2x - 10 

300

Solve for y.

4x + 2y = 6

y = -2x + 3

400

Solve for y

5x - 3y = 21

y = 5/3 x - 7 

500

Solve for y

8x = 10 - 4y

y = -2x + 2.5

Word Problems

100

Write an express for this statement:

The length of rectangle is 5 more than three times it's width.

 L = 3w + 5

200

Write an expression for this:

Jenny charges $25 per hour and requires a $40 booking fee.  (let h represent # of hours)

25h + 40

300

Write an equation to represent this situation: DONT SOLVE!!!

Each side of the square is equal to 7x.  The perimeter of the square is 168 inches.

7x + 7x + 7x + 7x = 168

OR

4(7x) = 168

400

How do you find the perimeter of any geometrical shape?

Add all side lengths

500

Write a story problem for this equation.

6x + 70 = 190

Your teacher will check your answers.  

Potpourri

100

4 = -8 + x

x= 12

200

x + 12 = 0

x= -12

300

3 = -2 – x

x= -5

400

5x = -80

x= 16

500

16 = x/2

x= 32