Solving Equations

Hodge Podge

1

What kind of musical instrument is a piccolo?

A wind instrument 

2

Rearrange the letters in the word 'relay' to form a word that is a part of a cake.

What is layer?

3

Which state doesn't share a border with Canada:

North Dakota, Montana or Wyoming

What is Wyoming?

4

The scar tissue left after a baby's umbilical cord is cut becomes this.

What is your belly button?

5

The plural form of the word 'yourself' is spelled this way.

What is y-o-u-r-s-e-l-v-e-s?

Two-Step Equations

1

6x – 13 = 11

x= 4

2

3x + 5 = 14

x= 3

3

(x/2)+2 =-8

x= -20

4

(x/2)+8=10

x= 4

5

(x/3)-3=-3

x= 0

Writing and Solving

1

Eight more than a number is negative 2

8 + x = -2

x = -10

2

The difference of a number and 12 is 9

x - 12 = 9

x = 21

3

Four times a number minus eight is twenty eight

4x - 8 = 28

x = 9

4

Five times the difference of a number and three is ten

5(m-3) = 10

x = 5

5

Craig has a twenty dollar bill. He buys some squirt guns for $2 each. He has $8 remaining.  How many squirt guns did Craig buy?

20 -2x = 8

Multi-Step Equations

1

Solving Equations

x + 3 + 3x = 7

x = 1

2

Solving Equations

5 + 5x - 1 = 29

x = 5

3

Solving Equations

-45 = 3x + 4 + 4x

x = -7

4

Solving Equations

14 = -(2a + 6) + 2

a= -9

5

Solving Equations

-21 = 7(5k - 8)

k = 1

Equations with Variables on Both Sides

1

4x - 2 = 3x + 5

x = 7

2

2(x - 4) = 5x + 4

x = -4

3

6x + 3 - 2x = 2x + 11

x = 4

4

9 - x = 6 + 2x

x = 1

5

6x - 15 + 4x = 5(2x - 3)

ALL REAL NUMBERS