Combine Like Terms
24 + 5y + 7y
24+ 12y
2(h-3)
2h - 6
If y = 2,
5y + y
12
16 - 4
4(4 - 1)
What is a Variable? Give 1 Ex.
A number used to represent a number in a expression or equation. Ex 6ⓡ
67 - 68 + 5n + 4n + 12
10 + 9n
4(2-1) + Y
4 + Y
If n = 7,
7 + n - 6n
42
12 - 2k
2(6 - k)
What is a term? Write down an example.
A terms are numbers or variables that are separated by + or - signs.
2b -b + 3z + 12 - z
3(4 + 2y) - y + 6
12 + 6y - y + 6
5y + 18
If s = 12
3s + s - 45 + s
15
20a - 12b + 36c
4(5a - 3b + 9c)
-3 + 5n What is the term, what is the variable(s)
term 3, 5n variable n
4g + 5k - 3s + 25g - 10k - 15s
29g - 5k - 18s
3(23n + 67)
69n + 201
If a = 4
3a - 5 + a
11
Ten times a number subtracted from eighteen.
2(9 - 5n)
23n = 115
What is the variable?
5
-14j -46k +98j -(-23k) + 12 -5 + 56
84j -23k +63
12(5 - 8k) - 13 + 25
60 - 96k - 13 + 25
- 96k + 48
If v = -45
10v - 34 + 2v
- 574
Thirty more than the product of six and a number.
6n + 30
6(n + 5)
What are the constants and what are the coefficients?
465z - 23 + 3469g - b + 1m
Con: 23
Coe: 465, 3469, -1, 1