Identifying
What is the variable in the following algebraic expression?
3-4w
w
Simplify:
4 - 3(1 + 9n)
1-27n
Evaluate the given algebraic expression if x = 4 and y = 2.
2x-3y
2
What operation is done when distributing a number?
multiplication
Simplify:
2x+3+5x+6
7x + 9
What is the constant in the following algebraic expression?
5g+19
19
Simplify the given algebraic expression:
3a+6+5a-2
8a+4
Evaluate the given expression if x = -1 and y = 3.
3x-4y+2
-13
How many pairs of like terms are in the given algebraic expression?
4x^2-3y+4x+2y
one pair,
-3y, 2y
Simplify
5c - 4c + c + 6b - 3c
6b - c
What is the coefficient in the following algebraic expression?
8-7y
-7
Simplify the given algebraic expression:
-5(-4n+3)
20n-15
Evaluate the given expression if x = 5, y = 2, and z = 3.
2x-2y+2z+2
14
Does the distributive property or combining like terms come first when simplifying algebraic expressions?
1) Distributive 2) Multiplying (Distribute)
Simplify
5x + 2y - 3x + y - 5 + 8x
10x + 3y - 5
How many terms are in the following algebraic expression?
3x-4y+18-2z
4 terms
Simplify the given algebraic expression:
1-7(1-3x)
21x - 6
Evaluate the given expression if x = -3 and y = -5.
4xy+6y
30
In the given algebraic expression, what would be the FIRST step in simplifying?
23-4(3x+5)
Distribute the -4 to both terms in the parentheses.
Simplify
2(6x - 8)
12x - 16
Identify the like terms in the following algebraic expression:
10+6y+2x+3
10 and 3
Simplify the given algebraic expression:
2x-5y+9(x-y)
11x-14y
Evaluate the given expression if x = 1 and y = 0.
3x + 2y
3
Why can't you "solve" an expression?
Since an expression does not have an equal sign, you will not be able to find the value of the variable. You will only be able to simplify the expression (make the expression simpler/smaller).
Simplify
1/2 (12x + 20y)
6x + 10y