5(-6+5g)
-30+25g
What are the factors of 30?
1xx30
2xx15
3xx10
5xx6
f+38=57
f+38-38=57-38
f=19
A term that represents an unknown number, value, or quantity.
Variable
4(3a+8b-11c)
12a+32b-44c
What is the greatest common factor of 12 and 36?
Greatest common factor: 12
Factors of 12: 1, 2, 3, 4, 6, 12
Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36
b/13=4
b/13xx13=4xx13
b=52
Combine like terms
2f+5g+7h-6g+8h+3f
5f-g+15h
2(5a-4)+6a
16a-8
-8+16a
Factor
3x+18
3(x+6)
7u-52=-3
7u-52+52=-3+52
7u=49
{7u}/7=49/7
u=7
After solving an equation, how can we check if our answer is correct?
Using substitution/plugging in our answer/replacing our answer in original problem
-3(7+2x)
-21-6x
27j-54
27(j-2)
8(2w+7)=72
w=1
True or false:
3r+4=22
r=5
False
3r+4=22, r=5
3(5)+4=22
15+4=22
19\ne22
1/4(8-6z)
2-3/2z
2-{3z}/2
-2k-10
-2(k+5)
5(2q+8)-3q=40
5(2q+8)-3q=40
10q+40-3q=40
7q+40=40
7q=0
q=0
Create an equation to represent the following situation:
Janice gets a new car. She pays a $700 down-payment plus a monthly payment. After 6 months she has spent a total of $1650.
700+6m=1650