identify the variable below
7X
x
solve the following
Y - 11 = 3
y= 14
3 + x = 9
x=6
7C = 42
c = 6
G / 4 = 28
G =7
What is a variable?
A symbol, normally a letter that stands in place for a numerical value.
solve the problem below
X - 10 = 7
x=17
15 + Y = 30
y=15
5T = 60
T = 12
L / 5 = 9
L = 45
What does the word INVERSE mean?
opposite
Solve the following
20 - S = 14
s= 6
34 + J = 56
j = 22
6G = 54
G = 9
A / 8 = 7
A=56
name the inverse operation for
addition
multiplication
subtraction
division
solve the following
Y - 15 = 45
y = 60
K + 13 = 43
k = 30
11y= 110
y = 10
P / 9 = 7
p = 63
Write an example of a 1 step equation using addition!
example
7 + x = 10
solve the following
G - 77 = 94
g= 171
go to the board and solve/explain...
23 + B = 40
b = 17
Explain your steps/process at the board
12j = 132
j = 11
go to the board, solve and explain your process
R / 3 = 12
R = 36