Riddle: What did the ocean say to the sand?
A _____ is a letter that has an unknown amount or value.
A variable
-7m = 63
m=-9
6m – 5m + 1
m+1
8x - 3x + 12 = 5(x + 2)
15 = 10
No solution
Trivia: What is the main profession of Nintendo character Luigi?
A plumber
___ ___ have the same variable or no variable
like terms
n/56 = -8
n=-7
-24x+30x=6
6x=6
2x + 3x + 2 = 4x - 8
x = -6
DOUBLE JEOPARDY
Riddle: You can find this in Earth, Jupiter, Mercury, and Mars, but not in Venus or Neptune. What is it?
The letter R
A ______ is a number WITHOUT a variable
constant
-2k -4 = 8
k =-2
9-18a-27a= 5
9-45a= 5
4(2x - 3) = 8 + 3(2x - 10)
x = -5
Trivia: what is the national animal of Scotland
a unicorn
A _________ is a number WITH a variable
Coefficient
h/-3 + 6 = -4
h = 30
DOUBLE JEOPARDY
-4 (-5a - 3) +11 - 2a + 9 + 12 = 11 - (2a + 18a) + 23
18a + 44 = 34 + 16a
OR
a = -5
6x - 2(2x + 3) = 18
x = 12
Riddle: I am always old, but sometimes also new. While I’m never sad, sometimes I am blue. I am never empty, but only sometimes full. I never push, but I always pull. What am I?
The moon
The four steps to solving multi-equations are 1. ___ 2. ___ 3.____ 4._____.
The four steps to solving multi-equations are 1. Simplify (Distributive Property & Combine like terms) 2. Get the variable on left side. 3. add/subtract constants 4. multiply/divide coefficients
DOUBLE JEOPARDY
x - 9/5 = -10
x=-41 / 5 or -8.2
b - 4 + 2 (b-3) +6 - 2b
b - 4
DOUBLE JEOPARDY
2(2x + 4) = 3x + x + 8
8 = 8
All real numbers/ infinity