One Step Eq.
+ or -
+ or -
x+5=9
x=4
x/2=4
x=8
5x-9=71
x=16
5x-5=40
x=9
-20=-4x-6x
x=2
-10p+9p=12
p=-12
What is a variable?
The letter in the equation
x-3=-8
x=5
3x=-21
x=-7
-3y-4=14
y=-6
2p+3=11
p=4
a+5=-5a+5
a=0
-r+11-8r=29
r=-2
What is the main goal when solving equations?
Isolate the variable
5+x=3
x=-2
x/-5=-9
x=45
-4m-48=36
m=-21
8x+22=94
x=9
8x-2=-9+7x
x=-7
14+13y=-20y-21
y=-7
What is the number in front of the variable alled?
Coefficient
x-4=3
x=7
-7x=42
x=-6
x/-3-4=6
x=-30
x/4-8=2
x=40
5p-14=8p+4
p=-6
-15b+21+5b=-19
b=4
What kind of operations do we use when solving equations?
Inverse Operations
-5=6+x
x=-11
x/12=-5
x=-60
x/2+3=9
x=12
25+x/-3=26
x=-3
8x+6=4x-14
x=5
3x-12=-4x+2
x=14
What is a like term?
They are terms that have the same variable and the same power or exponent.