Review multi-step equations

Vocabulary

100

What's a constant number? 

A Constant number is a number by itself

200

What operations and terms are always involved in Step 2 of solving two-step equations?

multiplying or dividing the coefficient

300

Name the Constant:

5x - 2 = 10

-2 and 10

400

Name the Coefficient:

3x + 5 = 10

3

500

What operations and terms are always involved in Step 1 of solving two-step equations?

adding or subtracting the constant

1-2 step equations

100

-7m = 63

-7m = 63 m=-9

200

56/n=-8

n=-7

300

-2k-4=8

k=-6

400

h/-3 + 6 = -4

h=30

500

h- 9/5 = -10

h=-41/5

combining like terms

100

6m – 5m + 1

m+1

200

-6x(4-5)

-24x+30x=6x

300

9-3d(6+9)

9-18d-27d= 9-45d

400

-4(-5f-3) +11 - 2f

-4(-5f-3) +11 - 2f 

= 20f + 12 +11 -2f 

= 18f+23

500

Simplify

g - 4m + 2(m-3) + 6 - 2g

g - 4m + 2m -6 +6- 2g 

= g - 2m - 2g 

= -g - 2m

3 to multi-step equations

100

3m-1=m+5

3m-1=m+5 2m=6 m=3

200

-5-3x=2x+10

x=-3

300

4n-40=7(-2n+2)

4n-40=7(-2n+2) n=3

400

38+7k=8(k+4)

k=6

500

4(-8m+5)=-32m-26

4(-8m+5)=-32m-26

20 = -26

No Solution

For Fun

100

How many birthdays does the average person have?

1 - everyone is born once, but celebrates yearly

200

Do they have a Fourth of July in England?

Yes, they have the fourth day in July in all countries

300

If Mr. Pham gave you three candies and told you to take one every half hour, how long would they last? 

One hour. 

(For Example: you take one at 8 am, the next at  8:30am, and the last at 9 am)

400

Divide 30 by 1/2 and add 10. What is the answer?

70. 

30 divided 1/2 is 60, plus 10 is 70

500

True or false: 

Water boils at 220 degrees Fahrenheit.

True. 

While the boiling point of water is 212 degrees Fahrenheit, it will still boil at 220 degree.