easy
The equation 3 + 4 = 7 is true.
What does Equation mean?
An equation states that two mathematical expressions are equal.
Dictionary definition
A mathematical statement that two expressions have the same value, shown with an equal sign.
Example sentences
Equation in a sentence
medium
The equation 2x + 1 = 9 is true when x equals four.
hard
Both 5 + 3 = 8 and 8 = 5 + 3 are valid equations.
Writing practice
Ready to write your own? Study the examples, then practice equation in a sentence with Sentence Builder checklist feedback.
Quick practice
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Practice the meaning of Equation
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
Which choice is an equation?
An equation states that two expressions are equal.
Practice 2
What is the solution of x + 5 = 12?
Replacing x with 7 makes both sides have value 12.
Practice 3
Which statement about an equal sign is correct?
An equation is a balanced relationship, not merely an instruction to calculate.
Practice complete
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You completed 3 questions.
Pronunciation coach
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Equation
Voice settings
Sounds like
ih · kway · zhun · strongest beat: kway
Tap each sound part, then blend the whole word together.
Learn
WordEquation.
Partnoun.
MeaningEquation means An equation states that two mathematical expressions are equal.
ExampleExample: The equation 3 + 4 = 7 is true.
Word breakdown
3 syllables. Say each part, then blend the word.
- Syllables
- ih · kway · zhun
- Strongest beat
- kway
- Ending
- zhun
- Tip
- Put a little extra energy on kway.
Your turn
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Nice work—you practiced equation.
Synonyms
Words like Equation
Antonym review
Does Equation have an opposite?
Equation names a statement of equality and has no direct antonym. An inequality is a different kind of mathematical statement using relations such as less than or greater than, not a lexical opposite.
Synonym practice
Want to practice equation synonyms in context? Try a Synonym Search question like "The equation showed that two plus three equals five," then compare close word choices. Practice equation synonyms.
Word family
Equation word family
Base word
equate
verb
equates
Treats or states two things as equal.
verb
equated
Set or treated as equal in the past.
noun
equation
A statement that two expressions are equal.
noun
equations
More than one equality statement.
Related words
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Student support
Understand Equation
Hint for students
An equation has expressions on both sides of an equal sign. A solution makes the equation true.
Common mix-up
An expression is not an equation because it does not state equality. The equal sign means “has the same value as,” not simply “write the answer.”
Try it in class or at home
Create three different equations with solution 6. Trade with a partner, test the value, and explain why each equation is true.
Teacher prompt
Compare 3x + 2, 3x + 2 = 11, and 3x + 2 > 11. Ask which is an expression, equation, or inequality and what symbols provide evidence.
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Learning activities
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