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
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
3x + 5 = 14
x= 3
Solving Equations
4 + 5x = 29
x = 5
Solving Equations
-5p + 1 = 6
p = -1
When solving a two step equation how many terms are usually on the same side?
Two
In order to solve an equation what must you do to the operation?
The inverse or opposite
3 = -2 – x
x= -5
x/2 + 13 =-8
x= -42
Solving Equations
-45 = x + 4
x = -7
Solving Equations
2n+10 = 4
n = 2
Which of these are a multi step equation?
4x+3=11
-4x+2-7
5(y+2/5)=-13
4m+7m
5(y+2/5)=-13
Name the 2 types of equations we have covered in class.
One and Two step equations
5x = -80
x= -16
x/2 + 5 =10
x= 10
Solving Equations
14 = (3a + 6) + 2
a=2
Solving Equations
5(m-3) = 4
m = 19/5
How many solutions do most Quadratic equations have?
Give an example.
Two - a positive and a negative
Example
What are the two maths words we learnt to represent an unknown value/number?
Pronumeral and Variable
-16 = x+2
x= -18
x/3 - 6 = -3
x= 9
Solving Equations
-21 = 7(5k - 8)
k = 1
Solving Equations
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.
Is 3x - 2 and expression or an equation. Why?
It is an expression because there is no = sign.