Modeling and solving one step equations
MultiplicationSolving
3x= 12
Isolate the variable ☑
3x= 12
__ __
3 3
Balance ☑
x= 4
Verify ☑
3x= 12
3(4) = 12
12 = 12
Modeling
x = 4
Verify
3x= 12
3(4) = 12
12 = 12
3(4) = 12
12 = 12
Solving
r = 7
__
2
Isolate the variable ☑
(2) r = 7(2)
__
2
Balance ☑
r= 14
Verify ☑
r= 7
_
2
14 = 7
__
2
7 = 7
Now go Kaboom.
Modeling and Solving Two Step Equations
Multiplication
Solving
Cancel the constant ☑
4v+3 =19
4v=33 = 193
4v =16
Balance ☑
4v =16
Simplify ☑
Cancel the coefficient ☑
4v =16
__ __
4 4
Balance ☑
v = 4
Simplify ☑
4v+3=19
4(4)+3=19
16+3=19
19 = 19
Verify ☑
I bet you didn't know penguins could fly...
Modeling
4v =16
4v+3=19
4(4)+3=19
16+3=19
19 = 19
Verify ☑
Are you getting bored? Here, have a rabid fox.
Division
Solving
x+2 = 4
_
2
Cancel the constant ☑
x+22 = 42
_
2
Balance ☑
x = 2

2
Simplify ☑
Cancel the coefficient ☑
x = 4
x+2 = 4
_
2
(4) +2 = 4
_
2
2+2 = 4
4=4
Verify ☑
Solving
3(x5) =6
3 (x) = 3x
3x5= 15
3x  15 = 6
3x  15 + 15 = 6 + 15
3x = 21
3x = 21
__ __
3 3
x = 7
Verify
3x  15 = 6
3(7)  15 = 6
21  15 = 6
6=6
i deserve extra marks for the pictures by the way.....
have you given them to me yet?
oh you have?
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