definition
What is a variable?
Variable is an UNKNOWN number. (e.g., x, y, b, c)
What an inverse operation for +
minus/ subtraction
7=S+5
S= 2
12= M ÷ 6
M=72
What is an equation?
Equation is a way to say that two things are equal. It contains an equal sign.
What is an inverse operation for -
6= L - 7
L= 13
5=R x 1
R=5
What type of math problem are you solving when a NUMBER and a VARIABLE are next to each other?
ex: 6f
What is an inverse operation for division
v - 15 = 35
v = 50
F ÷ 9 = 3
F= 27
a) multiplication
b) addition
c) division
division
What is an inverse operation for multiplication
division
Z-24=14
Z=38
9 X H = 135
H= 15
Division!!!
what an inverse operation for this equation
45=6 r
division
42 + x = 105
E= 63
5= Y ÷ 10
Y= 15