Addition Equations
n+7=25
n=18
y-12=89
y=101
8u=56
u=7
1=u/2
u=2
The inverse of addition.
What is subtraction.
25+y=42
y=17
y-11=20
y=31
4b=20
b=5
h÷3=12
h=36
What is multiplication.
x+15=22
x=7
51-a=27
a=24
3p=246
p=82
81=m/9
m=9
The opposite of an operation
What is inverse
58+g=93
g=35
60=x-16
76=x
7c=245
c=35
180=a/12
Adding the same number to both sides to keep things equivalent and balanced.
What is the addition property of equality.
150=e+42
e=108
z-313=176
z=489
936=78w
w=12
29=k÷5
k=145
A math sentence that has an equal sign and has to stay balanced on both sides.
What is an equation