This math topic focuses on solving linear equations by finding the correct value to replace a symbolic representation (denoted by a circle) within simple algebraic expressions. The problems involve basic operations such as multiplication and division, catering particularly to introductory algebra concepts. Each question presents an equation with a missing variable, visually represented by a circle, and multiple choice answers are provided for students to select the correct value that satisfies the equation. This helps learners develop skills in evaluating and solving basic linear equations.
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What number can be put in the circle to make this equation correct?