
Two- Step Equations
Presentation
•
Mathematics
•
7th - 9th Grade
•
Medium
Standards-aligned
Justine Fagan
Used 1K+ times
FREE Resource
5 Slides • 8 Questions
1
Solving Two- Step Equations
2
Multiple Select
Which two operations are in this equation?
5x+4=−16addition
subtraction
multiplication
division
3
Step One
The first step is to UNDO the addition or subtraction using inverse operations
4
Multiple Choice
Which equation shows the results of undoing the addition in the equation?
5x = 12
5x = −20
4x = 11
4x = −21
5
Step Two
The second step is to UNDO the multiplication or division using inverse operations
6
Multiple Choice
Which equation shows the results of undoing the multiplication in the equation?
x=4
x=25
x=−15
x=−4
7
Solve
−2y−7=3Undo the subtraction (Add 7 to BOTH sides)
−2y=10
Undo the multiplication (Divide by -2 on BOTH sides)
y=−5
8
Check
−2y−7=3Start with the original equation
−2y −7=3
Substitute the value (solution) for the variable
−2(−5)−7=3
Use order of operations to simplify
10−7 = 3
3=3
9
Open Ended
What is the first step to solve this equation?
10
Multiple Choice
What is the first step to solve this equation:
11 - 3x = 44
Add 3 to both sides
Subtract 11 from both sides
Add 11 to both sides
Divide 3 on both sides.
11
Multiple Choice
What is the first step to solve this equation?
3k + 5 = 23
Multiply both sides by 3
Subtract both sides by 3
Divide both sides by 3
Subtract both sides by 5
12
Multiple Choice
What is the second step to solve this equation?
3k + 5 = 23
Multiply both sides by 3
Subtract both sides by 3
Divide both sides by 3
Subtract both sides by 5
13
Multiple Choice
The steps in solving 5b - 6 = 24 are:
Add 6 to both sides and divide both sides by 5
Add 6 to both sides and multiply both sides by 5
Subtract 6 from both sides then multiply both sides by 5
Subtract 6 from both sides then divide both sides by 5
Solving Two- Step Equations
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