8n + 7=31
n = 3
-15 = -4m + 5
m = 5
Identify the variable
12 - 3m = 6
m
x=1: 5
x=2: 6
x=3: 7
x=10: ???
14
Using TILES, represent the expression 2x + 5
Drawings may vary
-6n - 5 = -113
n=18
28 - 8x = 92
x = -8
Identify the Constant
6k + 7
+7
x=1: 3
x=2: 6
x=3: 9
x=8: ???
24
Using tiles, represent 4x + 5 = 11, then solve.
Drawings may vary, x = 1
-5k + 5 = -10
k = 3
10 - 6v = -104
v = 19
Identify the coefficient
-3 +2n = 37
x=1: 5
x=2: 6
x=3: 7
What is the variable expression for this pattern?
x + 4
A shop owner wants to order some T-Shirts for her employees. The shirts cost 15$ per shirt and have a flat shipping fee of 20$. What variable expression could show the total cost of the shirts she buys?
15x + 20
9 - 6v = -63
v = 12
3n + 7 = 37
n = 10
-5x + 8 = -92
Equation or Expression?
Equation
x=1: 5
x=2: 7
x=3: 9
What is the variable expression for this pattern?
2x + 3
A student is trying to find values for the expression 4/x. He can solve most of the answers but notices that there is one value that he is unable to get an answer for. The value that he is having trouble with is X=???
0
-3n - 6 = 21
v = - 9
1 + 5n = 16
n = 3
-11 - 3k + 49 -2x + 2
Equation or Expression?
Expression
x=1: 2
x=2: 5
x=3: 8
What is the variable expression for this pattern?
What expression does this image represent?
2x + 1