This math topic focuses on the practice of solving linear equation systems through simple variable substitution. It integrates questions that involve substituting one equation into another to isolate and solve for a specific variable. Each question presents a system of two linear equations involving one variable, where the task is to find the value of the unknown variable. The process emphasizes algebraic manipulation and logical reasoning skills, foundational for solving systems of equations in algebra. The topic is a part of an introductory unit on algebraic systems of equations.
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Solve for the variable by substituting the second equation into the first