Back to Solve real-world and mathematical problems leading to two linear equations in two variables — Problem 2 · Task Set 13

Exercises: Solving Real-World and Mathematical Problems with Systems of Linear Equations

Work through each section in order. For word problems, define your variables, write two equations, solve, and interpret your answer in a full sentence. Show your work where indicated.

Grade 8·22 problems·~30 min·Common Core Math - Grade 8·standard·8-ee-c-8c

Work through problems with immediate feedback

Fluency Practice

Solve the system by substitution: $y = x + 3$ and $2x + y = 18$ . Enter the value of $x$ .