4 = -8 + x
x= 12
6x – 13 = 11
x= 4
2(4x + 3)
8x + 6
How many operations does a one step equation have?
What is the 4 Basic Operations?
Add, Subtract, Multiply and Divide
x + 12 = 0
x= -12
5 + 3x = 14
x= 3
4x + 5x - 20
9x - 20
When solving a two step equation how many terms are usually on the variable side?
Two
In order to solve an equation, you must use what kind of operation?
The inverse or opposite operation
3 = -2 + x
x= 5
x/2 + 13 =-8
x= -42
-4(x + 4)
-4x - 16
An unknow number in equations is called what?
What is the difference between an equation and an expression?
The equal sign.
5x = -80
x= -16
-5 + x/2 = 10
x= 30
14 - 3a + 6a + 2
16 + 3a or 3a + 16
What inverse operation would you use to solve this equation? -9x = 27
Divide by -9
When solving an equation, how do you know which side to start with?
-16 = x+2
x= -18
-3 = -6 + x/3
x= 9
-(5k - 8)
-5k + 8
The Golden Rule of solving equations: "What you do to one side...!"
You must do to the other side!
What is the co-efficient in this equation?
-x + 3 = 9
-1