Show:
Basics
Complementary & Supplementary
Divided by 2
Basic Equations
Proportions & Pythagorean Theorem
100
The goal of solving an equation.
What is to get the x alone on one side.
100
2x + x - 30 = 90
What is 40
100
x + 7/2 = 12
What is 17
100
3x + 7 = 2x - 4
What is -11
100
a2 + 5 2 = 13 2
What is 12
200
The first step in solving an equation.
What is distribute.
200
210 - 3x + 5x = 180
What is 37
200
x - 51/2 = 102
What is 255
200
15 - 2x = 2x - 8
What is 6
200
x/5 = x + 1/6
What is 5
300
The second step in solving an equation.
What is combine like terms.
300
3x + 7 + x - 2 = 90
What is 21.25
300
26 + x/2 = 44
What is 62
300
-x = 3x + 4
What is -1
300
24 2 + 7 2 = c 2
What is 25
400
The third step in solving equations.
What is move x to one side of the equation.
400
80 - x + 6x + 10 = 180
What is 18
400
78 - x/2 = 33
What is 12
400
7x + 1 = x - 11
What is -2
400
2x/x + 2 = 3/4
What is 3
500
What is the last step in solving equations.
What is move the numbers to the other side of the equation.
500
2x + 1 + 4x - 4 = 180
What is 30.5
500
124 - x/2 = 89
What is 54
500
110 - 5x = 3x + 30
What is 10
500
10/x = 5/x-4
What is 8