Distribute
Distribute
3(x+2)
3x + 6
Combine like terms
3x + 2 +4 + 5x
8x + 6
Is this an expression or an equation?
-2x + 5
Expression
Evaluate for x = 3
2x - 5
1
Solve
x + 3 = 10
x = 7
Distribute
5(2x - 3)
10x - 15
Combine like terms
3x - 4 - 2x +7
x + 3
What is the variable in this expression?
3a - 5
a
Evaluate for x = 1 and y = 3
2x + 2y - 5
3
Solve
y - 5 = 5
y = 10
DAILY DOUBLE
Distribute
3(2x - 3y + 5)
6x - 9y + 15
Combine like terms
4a + 2b - 5 -2a +b
2a + 3b -5
What is the constant in this expression?
3x + 2y + 2
2
Evaluate for x = 2
-5x + x
-8
Solve
3a = - 9
a = -3
-2(3x + 6)
-6x - 12
Combine like terms
3y - 2z - y - z -2y
-3z
DAILY DOUBLE
What is the coefficient in this expression?
-3x - 8
- 3
Evaluate for x = -2 and y = 3
3x + 3y - 3
0
Solve
x/2 = 9
x = 18
Distribute
-(x - 2y - 4)
-x + 2y + 4
Combine like terms
-5x + 3 + 2y + 3x - 5 - y
-2x + y - 2
How many terms are in this expression?
3x + 2y + 4xy - 3
4
Evaluate for x = -3
-5x + 2x - 3
6
Solve
(1/3)x = 10
x = 30