Solving Equations
2k + 5 = 25
k = 10
6x + 2x
8x
2( x + 4)
2x + 8
Find y when x = 2
y = 3x + 5
y = 11
A symbol that represents a quantity that can change.
variable
7y - 17 = -38
y = -3
-h - h
-2h
3( y - 7)
3y - 21
Find y when x = -2
Y = 3x + 5
y = -1
The number that is multiplied by the variable in an algebraic expression.
coefficient
p/2 - 2 = 2
p = 8
5n + 3 + n
6n + 3
x(3 + 5)
8x
Find y when x = 3
y = x/3 + 5
y = 6
A value that does not change.
constant
x/-2 + 6 = 4
x = 4
-2s + 6 - s - 4
-3s + 2
-4(x - 2)
-4x +8
Find y when x = 2
y = -3x - 5
y = -11
To find the value of a numerical or algebraic situation.
evaluate
140 = -4 - 12x
x = -12
4a - 6 - a + 1
3a - 5
-3(x - y)
-3x + 3y
Find y when x = -2
y = -3x - 5
y = 1
The parts of an expression that are added or subtracted.
term