PEMDAS
5 x 62 ÷ 10
31
4 greater than x
x + 4
4x + 3 + 2x = 9
x = 1
How many operations does a one step equation have?
What is the 4 Basic Operations?
Add, Subtract, Multiply and Divide
Which eye is my lazy eye? NO LOOKING!
My Right Eye
92 x 8 – 92
644
8 goes into t
𝑡÷8
16 - 4 + 5x - 3x = 22
x = 5
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 if you have more than one constant or variable on the same side?
Combine Like Terms
What generation am I?
Gen Z
100–75÷5+43
128
12 split into 2 equal groups
12 ÷ 2
-88 = -8(x + 4)
x = 7
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 3 types of equations we have covered in class.
One, Two, and Multi step equations
What was the one movie I said I could probably quote from start to finish?
Ghostbusters
4x{9x4– 62}+9
-95
Karen makes $5 for each dog she walks. If Karen walks d dogs, how much will she make?
5d
14 = 2(3a + 6) + 2
a=0
What type of equation are the equations we've looked at so far?
Linear Equation
When solving an equation what Procedure do you do in reverse?
Order of Operations or PEMDAS
What colors are my nails today? NO LOOKING!
Red and Black
62 +{24÷6+32}
98
Marshall Middle School is planning a field trip to see Romeo and Juliet at the local theater. The cost of a teacher ticket is $25 and the cost of a student ticket is $13. Write an expression to show the cost of t teacher tickets and s student tickets.
25t + 13s
-76 = 7(5k - 8) -3k + 12
k = -1
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.
When solving something like 3(x -2) = 12
what step do you do first?
Distribution
What did my Nana give me in the last story I told you guys?
A Wrinkled Apple