Addition
What is the value of the variable?
2+y=41
n=39
What is the value of r?
r-5=25
r=30
What is the value of v?
6v=48
v=8
What is the value of q?
q/7=9
q=63
What is a variable?
A letter that can change and is used to represent a number in math.
What is the value of w?
W+4=18
w=14
What is the value of t?
t-9=10
t=19
What is the value of e?
3e=21
e=7
What is the value of x?
x/8=5
x=40
What letters should you not use as variables? (List 3 or more to get the points)
l, o, i, x (if it's not written differently)
What is the value of x?
8+X=22
x=22
What is the value of b?
b-11=11
b=22
What is the value of p?
p5=35
p=7
What is the value of k?
k/6=3
k=18
What is one rule of algebra?
1. What you do to one side you must do to the other
2. You are trying to isolate the variable
3. Use the inverse operation to isolate the variable
4. If a number and variable are side-by-side they are being multiplied
What is the value of p?
50+p=64
p=14
What is the value of z?
16-z=9
z=7
What is the value of h?
h xx 8= 96
h=12
What is the value of p?
90/p=10
p=9
What operation is the inverse of multiplication?
Division
What is the value of q?
19+q=26+3
q=10
What is the value of m?
42-m=30-10
m=22
What is the value of c?
10h= 6 xx 5
h=3
What is the value of r?
45/r=15/3
r=9
When thinking of an expression or an equation, which one has an equal sign?
Equation