Evaluate
3x -5
x=2
1
Identify the coefficient
3x
3
Combine Like Terms
3x + 3x - 7
6x
Is this the simplest form of the expression?
3x + 3
x = ?
Yes, simplest form because we don't know the value of the variable
What are the terms in the expression?
4x - 7
4x , -7
4y + 10
y= 10
50
Identify the constant
5x - 9
-9
Combine Like Terms
5y - 2y + 7 - 4
3y + 3
Is this the simplest form of the expression?
x2 - 4
x = 6
No, I can substitute 6 in for x and my simplest form is 32
What are the terms in the expression?
5w - 6y + 4
5w, -6y, 4
5x + 7 - 3
x = 5
29
Identify the coefficient
6 - 8v + 9s
8, 9
Combine Like Terms
6t2 + 8t - 4t + 8
6t2 + 4t + 8
Is this the simplest form of the expression?
6y + 5x - 10
y = 2
x = 3
No, the expression can be simplified by substituting the values for y and x
17
Are there any like terms in the expression?
4x + x2 - 1
no like terms
4h - 7f
h = 8
7 = 2
18
Identify the variables
5g + 6 - 2a + 6h
g, a, h
Combine Like Terms
x + 7x - x2 -9
8x - x2 -9
Is this the simplest form of the expression?
5x - 7w
x = 4
w = ?
Yes, it is in the simplest form because we don't know the value for w
20 - 7w
What are the terms in the expression?
5x2 + 5x3 - 10 + 7y
5x2 , 5x3 , -10, 7y
7 + 4r - 3 + 3d
r = 7
d = 10
62
Identify the coefficient, constant and variables
4x - 2y + 7 - 8w
coefficient - 4, 2, 8
constant - 7
variables - x, y, w
5j - 4j + 6w - 9 + 11
j + 6w + 2
Is this the simplest form of the expression?
9 - 7c + 10c + 2
c = 5
No, because I can combine like terms, then substitute the value for c into the expression
11 + 3c
26
Are there any like terms in the expression?
7b + 3b3 - 6y + 4 - 10
4, -10
-6