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Common Core · Grade 8 · Expressions and Equations

Standard 8.EE.C.8B

Free lessons and printable worksheets aligned to Common Core math standard 8.EE.C.8B.

3 lessons3 worksheets

Lessons for 8.EE.C.8B

Solving systems by eliminationWhen the coefficients are already opposites, add the equations.Lesson
Solving systems by substitutionDrop the expression for y into the other equation.Lesson
Solving systems by graphingA pair of numbers that makes both equations true at once.Lesson

Printable Worksheets

Solving systems by elimination worksheet (PDF)Printable worksheet with answer keyPreview
Solving systems by substitution worksheet (PDF)Printable worksheet with answer keyPreview
Solving systems by graphing worksheet (PDF)Printable worksheet with answer keyPreview