Express Yo Self
What are the variables??
3x + 4n - 5
x and n
Add the two expressions and simplify
(n + 2) + (n + 3)
2n + 5
Simplify by distributing
2(n + 3)
2n + 6
Factor out the GCF
2n + 4
2(n + 2)
What is the rule for adding integers?
Same signs add, different signs subtract
You need to come to terms with it...umm...how many terms?
2x + 5n - 3r + 10
4
Add the expressions and simplify
(2x - 3) + (-2x + 3)
0
Simplify by distributing
-3(2x - 5) + 6x
15
Factor out the GCF
45n - 54
9(5n - 6)
What do you need to do first when subtracting integers?
Keep change change
You need to come to terms with it...umm...WHAT are the terms?
2x + 5n - 3r + 10
3x, 5n, -3r, 10
Subtract the expressions and simplify
(5n + 8) - (4n + 7)
n + 1
Simplify by distributing
4(2n + 3) + 6(n - 2)
14n
Factor out a -3/4
-3/10n+3/14
-3/4(2/5n-2/7)
What is the rule for multiplying and dividing integers?
Same signs positive, different signs negative
Simply put...
Simplify the expression
5x + 4 - 7x + 3
-2x + 7
Subtract the expressions and simplify
(-4x - 12) - (-7x - 8)
3x - 4
Simplify by distributing
-1/3(6n - 12) - 4/5(-15n - 30)
10n + 28
Factor out the coefficient
1/3n+9
1/3(n+27)
Show on your white board how to convert the decimal to a fraction in simplest form.
1.36
1 9/25
Just try and simplify this!
-1/3n^2-2/3n+3/4+4/6n-9/12
-1/3n^2
add and subtract and simplify...
(-2n + 5x) + (3n - 4x) - (-5n - 6x)
6n + 7x
Conceptualize this by simplifying!
n(n - x) - n(-x - n)
2n^2
Factor out
-2
24n - 19
-2(-12n + 9.5)
Show on your white board how to change the fraction to a decimal.
7/9
0.777777777777777... repeating forever