Download 6-1: Solve One-Step Addition and Subtraction Equations What is an

6-1: Solve One-Step Addition and Subtraction Equations
What
is
Equation​
?
an
What is a ​
Solution​
?
Subtraction
Property
Equality​
:
Example 1-2c:
Page 438
of
x+2=6
An ​
equation ​
is a
sentence
stating
that two quantities
are equal.
x=4
The value of a
variable that makes
an equation true is
called the ​
solution
of the equation.
if a = b, then
a-c=b–c
Solve each
equation. Check
your solution.
-3=a+4
x+6=4
- 6 -6
​
x
= -2
1. What are we
doing + or – by
variable.
2. Do the opposite.
3. Solve.
Example 3d:
Addition Property
of Equality​
:
Example 4f:
Page 439
Summary:
The
highest 1.
Setup
recorded
equation.
temperature
in 2. Solve
Warsaw Missouri,
is 118°F. This is
158°F greater than
the lowest recorded
temperature. Find
the lowest recorded
temperature.
if a = b, then
a+c=b+c
Solve
equation.
r – 4 = -2
the
x–2=1
+ 2​​
​
+2
x =3
each 1. Which operation
is in the problem?
2. Solve it.