Two-Step Equations
3x + 9 = 12
x = 1
The number in front of a variable.
What is a Coefficient.
2 + 6a + 4a
What is 10a + 2
4(d+2)
What is 4d + 8
5(r+9) - 5
What is 5r + 40
4x - 8 = 24
x = 8
A number by itself without a variable.
What is a Constant
12a + 3 + 18 - 9a
What is 3a + 21
3(x-7)
What is 3x - 21
12(n - 4) - 3n
What is 9n - 48
3x + 12 = 27
x = 5
A mathematical statement with no equal sign.
What is an expression.
18 + 7x - 12 + 5x
What is 12x + 6
12(n+2)
What is 12n + 24
18(c + 1) + 6
What is 18c + 24
(x/2) - 6 = 10
x = 32
Terms that can be added or subtracted together because they contain the same variable or exponent. Ex: 4m, -5m
What is a like term
6y + 3y - 2y
What is 7y
9(g-1)
What is 9g-9
7(w - 4) + 3w
What is 10w - 28
(10/x) + 7 = 9
x = 5
A number, variable, or numbers and variables connected together (separated by + and - signs in an expression)
What is a term
10b + 100 - 75 -b
What is 9b + 25
(9-h)5
What is -5h +45
2 + 3(d + 4) - 2d
What is d + 14