Simplifying
                6x + 3x
9x
4x + 8
4(x + 2)
List all LIKE TERMS in this expression:
-5a + 7 - 4a + 2b
-5a, -4a
Solve:
8c - 8 = 48
c = 7
8y - 2 + 3y - 5
11y - 7
-3y - 12
-3(y + 4)
List all CONSTANTS in this expression:
-5a + 7 - 4a + 2b
7
Solve:
9y + 5 - 2y = 26
y = 3
-5(2a - 8)
-10a + 40
-10a + 6
-2(5a - 3) OR 2(-5a + 3)
List all COEFFICIENTS in this expression:
-5a + 7 - 4a + 2b
-5, -4, 2
Solve:
3a - 6 = -2a + 9
a = 3
4(-5b + 2) + 13b
-7b + 8
6 - 15c
3(2 - 5c)
TRUE or FALSE: The following expressions are equivalent.
6(x + 2) and 3(2x + 4)
TRUE
Solve:
-4(x - 6) + x = 48
x = -8
-(3c - 5) + 14c - 9d
11c - 9d + 5
10x + 15y
5(2x + 3y)
Simplify: 
2(3p + 20 - 3p)
40
Solve:
-2p + 24 - p = 3(2 + 2p)
p = 2