One-Step Equations
9a=18
a = 2
x/2 - 4=2
x=12
4x(9+4)
52x
Parts of an expression separated by addition or subtraction sign.
Terms
Why was 6 afraid of 7?
Because 7 ate 9!
12t=156
t=13
5x+8=28
x=4
(3a+3b)+(19a-2b)
22a+b
The answer to an addition equation.
Sum
1+1
2
90/r=0.9
r=100
8x-7=17
x=3
(4y-7z)+(14y+12z)
18y+5z
The numerical factor of a term that contains a variable; the number in front of the variable.
Coefficient
What do mathematicians do on March 14th?
They eat
pi