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Algebra Basics
x ÷ 12 = 4
What's the first step to solving an equation with a variable?
Algebra Basics
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Answers
1
What's the first step to solving an equation with a variable?
What's a variable?
Draw a line
Just guess
Find the opposite
2
x ÷ 12 = 4
42
54
48
26
3
Solve: 19 + x = 67
47
48
87
86
4
Solve: 19 - M = 9
10
11
8
9
5
What is the opposite of -985
-965
965
985
1000
6
x ÷ 7 = 6
36
42
51
49
7
What is the 2nd step?
Find the opposite
Draw a line
Find the variable
Trial & Error
8
What are equations similar to?
Elephants
Headaches
An old-time scale
Camels
9
What's my first step? x + 11 = 24
13
Find the opposite
Draw a line
Guess what adds to 11 to make 24
10
What is the opposite of 27
+27
x27
-27
27
11
Solve: 9 + 3 x 2
15
26
24
22
12
Solve: M + 42 = 113
155
12
-71
71
13
Anything I do to one side....
I do to the other side
I make up something for the other side
14
12N = 60
3
5
4
6
15
Solve: x - 11 = 9
-20
2
-22
20
16
5x = 25
5
1
3
7
17
What are letters called in math?
Variables
Parentheses
Exponents
Confusing
