One-Step Equations
4 = -8 + x
x= 12
6x – 13 = 11
x= 4
Solving Equations
4x + 3 = 7
x = 1
Solving Equations
x - 2 = 6
x = 8
Finish the sentence:
What you do to one side.....
you do to the other
x + 12 = 0
x= -12
3x + 5 = 14
x= 3
Solving Equations
4 + 5x = 29
x = 5
Solving Equations
2.5x - 4 = 96
x = 40
What is the "goal" when splving equations?
to get the variable (x) by itself
3 = -2 – x
x= -5
-2x + 13 =-8
x= 10.5
Solving Equations
53 = 2x + 4
x = 24.5
Solving Equations
2n+10 = 24
n = 7
What opperation is happening when a number is next to a variable?
multiplication
5x = -80
x= -16
-6x + 5 = -5x -3
x= 8
Solving Equations
14 = 2x + 3x + 4
x=2
Solving Equations
5.4m - 3 = 2.9m - 2
m = 0.4 or 2/5
What inequalitiy symbol would be represented by the scenario below:
Partner A has at least as much as Partner B
Partner A >= Partner B
-16 = x+2
x= -18
9x - 6 = -2x -6
x= 0
Solving Equations
5x + 2 = 11 + 2x
x = 3
Solving Equations
8n + 7 = 75
n = 8.5
What inequalitiy symbol would be represented by the scenario below:
Jack can have just as much or more than Dave
Jack >= Dave