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?
"do/undo"?
What step do I take to solve x + 4 = 7?
Subtract 4 from both sides of the equation.
Our number one goal when solving an equation is to _______________ the variable.
ISOLATE
What did the zero say to the eight?
Nice Belt!
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 did Naira say when her bird flew away?
POLY-GON!
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
What step do I take to solve a/7 = 3?
Plug the answer you got in for the variable in the original equation and see if it is true.
Which King loved fractions?
Henry the EIGHTH!
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
SOLVE 2=f/8
2=f/8
x8 x8
16=f
Check:16/8=2
Name the inverse of the following operations.
1. multiply
2. subtract
3. add
4. divide
1. divide
2. add
3. subtract
4. multiply
Why did the two fours skip lunch?
Because they already "eight!"
29=p+20
29=p+20
- 20 -20
9=p
Check: 9+20=29
(j/2)+7=12
(j/2)+7=12
-7 -7
j/2 = 5
*2 *2
j=10
check: (10/2)+7=12
SOLVE -2y=18
-2y=18
--- ---
-2 -2
y= -9
Check: -2(-9)=18
What are the steps to solving 3x + 5 = -13? *Say them out loud*
Subtract 5 from both sides, then divide both sides by 3
Why did pi get his driver's license taken away?
Because he didn't know when to STOP!