1-Step
The process of solving 1-step equations
What is "to isolate the variable by doing the reverse operation for the equation"?
Name a method of solving 2-step equations?
What is "the box method"?
or
What is "do/undo"?
Isolate the variable by either dividing or multiplying on both sides of the equal sign
What is "the process of solving 1-step equations that include multiplication and division"
One-step equations
-Undo subtraction by adding to both sides
-undo addition by subtracting on each side.
-Undo multiplication by dividing on both sides
-undo division by multiplying on both sides
OR
use inverse operations
What is your favorite teacher's name?
Ms. Fish
X-4=7
X - 4 =7
+4 +4
X=11
CHECK! 11-4=11
29=5+8b
8b + 5= 29
-5 -5
8b=24
--- ---
8 8
b=3
Check: 8(3)+5=29
What step do I take to solve 15 = 3w?
Divide by 3 on both sides of the equal sign
We solve equations by using __________ operations
Inverse
What does Ms. Szym coach?
Rowing
x−21=6
x−21=6
+21 +21
x=27
CHECK:27-21=6
67=11n+1
67=11n+1
-1 -1
11n=66
/11 /11
n=6
Check: 67 = 11(6) + 1
a/7=9
a/7=9
x7 x7
a=63
Check:63/7=9
Checking 1-step equtions
Plug the answer you got in for the variable in the original equation and see if it is true.
What is Mr. Fraser's son's name?
k+10=27
k+10=27
-10 -10
k=17
CHECK:17+10=27
3(q-7)=27
3(q-7)=27
------ ----
3 3
q-7=9
+7 +7
q=16 Check:3(16-7)=27
2=f/8
2=f/8
x8 x8
16=f
Check:16/8=2
Checking 2-step equations
Plug the value of the variable into the original equation and perform the operations (do) in order to see if it is true.
What do you call a fake noodle?
An ImPASTA!!!
29=p+20
29=p+20
- 20 -20
9=p
Check: 9+20=29
(2j)+7=12
2j+7=12
-7 -7
j/2 = 5
*2 *2
j=2.5
check: (10/2)+7=12
-2y=18
-2y=18
--- ---
-2 -2
y= -9
Check: -2(-9)=18
What are the steps to solving 3x + 5 = -13?
Subtract 5 from both sides, then divide both sides by 3
What is Ms. Fish's son's name?
Harrison