Vocabulary
m ā 13 = 8
m = 21
x(7 ā 2x)
7x - 2x2
5w = ā75
w = -15
2(x + 13) + 3x ā 2
5x + 24
what you do to one side....
you do to the other
-3/8 š¦ = ā24
y = 64
2x + 7 = 5x + 16
x = -3
a statement that the values of two mathematical expressions with an equal sign
What is an equation
5x + 3 = 23
x = 4
āŖ3(-2) ā 2ā„ + 2
What is 10
Numbers, symbols and operations (such as + and Ć) grouped together that show the value of something with no equal sign
What is an expression
ā„ 3r ā 6ā„ = 21
r = 9, -5
āŖ2d ā 3nā„ ā 4 when d = 3, n = 2
What is -4