Solving Simple Equations
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Objective
I can solve simple equations using algebraic manipulation.
Part 1 of 4
Warm-up video
Mometrix Academy · 8:40Vetted channel
We don't generate video — this one is by Mometrix Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
Since the two expressions on either side of the equals sign are equal, we can use any operation we want on one expression as long as we do the exact same thing to the other expression. This is generally known as keeping equations balanced.
- 2
To combine like terms, add or subtract all of the terms with the same variable.
- 3
Two terms on opposite sides of an equation can be canceled if and only if they exactly match each other; they must have the same variable raised to the same power and the same coefficient.
Part 3 of 4
Practice
3 questions
Solve for x: 5x + 3 = 2x - 9
Which operation maintains the balance of an equation when applied to both sides?
Part 4 of 4
Exit ticket
Quick comprehension check
“Solve for x: 5x + 3 = 2x - 9. Show all steps.”
Sample answer included in the free materials
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