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What Is an Equation?

An equation shows a relationship between two quantities. Here are examples of equations:

<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn><mo>+</mo><mn>1</mn><mo>=</mo><mn>2</mn><mspace linebreak="newline"/><msup><mfenced><mrow><mn>5</mn><mo>+</mo><mn>2</mn></mrow></mfenced><mn>2</mn></msup><mo>=</mo><mn>49</mn><mspace linebreak="newline"/><mi>x</mi><mo>+</mo><mn>1</mn><mo>=</mo><mn>3</mn></math>

 

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Common Core Standards CCSS.MATH.CONTENT.6.EE.B.5, CCSS.MATH.CONTENT.7.EE.B.4, CCSS.MATH.CONTENT.8.EE.C.7, CCSS.MATH.CONTENT.HSN.CN.C.7, CCSS.MATH.CONTENT.HSA.REI.A.1
Grade Range 6 - 10
Curriculum Nodes Algebra
    • Expressions, Equations, and Inequalities
        • Applications of Equations and Inequalities
        • Variables and Unknowns
Copyright Year 2021
Keywords equation, equations, true equation, false equation, conditional equation, reflexive property of equality