12 = 8 + x
x= 4
6x – 13 = 11
x= 4
4x + 3 = 7
x = 1
x - 2 = 6
x = 8
What is the 4 Basic Operations?
Add, Subtract, Multiply and Divide
x + 12 = 13
x= 1
3x + 5 = 14
x= 3
4 + 5x = 29
x = 5
-5p + 1 = 6
p = -1
In order to solve an equation what must you do to the operation?
The inverse or opposite
3 = 8 – x
x= 5
x/2 + 13 = 18
x= 10
45 = x + 4
x = 41
2n+10 = 4
n = 2
What is the inverse of addition?
Subtraction
5x = 80
x= 16
x/2 + 5 = 9
x= 8
a=2
5(m-3) = 4
m = 19/5
What is the real name for "Guess and Check"?
Systematic Trials
16 = x/2
x = 32
x/3 - 5 = 0
x= 15
14 = 7(5k - 8)
k = 2
3(𝑥 − 9) = −3
x = 8
What rule is ALWAYS applied when solving equations?
Golden Rule of Algebra or what you do to one side, you do to the other side.