This eighth-grade math worksheet aims to provide learners with practice in solving word problems by writing and solving systems of equations using substitution. This two-page algebra worksheet offers valuable practice in writing equations to represent real-world problems and solving systems of equations using substitution. To practice more in solving word problems using systems of linear equations, students can also try the "Systems of Linear Equations Word Problems: Graphing" and "Systems of Linear Equations Word Problems: Elimination" worksheets.