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equation solver is a tool that allows you to find the values that satisfy an equation. This tool solves linear equations, quadratic equations (via the quadratic formula, including complex roots), and systems of two linear equations. Choose the type, enter the coefficients, and get the solution with the key working shown. For a 2×2 system it solves the two lines simultaneously to find the single point where they cross. For a 2×2 system it solves the two lines simultaneously to find the single point where they cross.For a linear equation ax + b = 0 it simply rearranges to x = -b/a. For a quadratic ax² + bx + c = 0 it applies the quadratic formula, first computing the discriminant x² − 4ac: zero gives one repeated root, and a negative discriminant gives a pair of complex-conjugate roots which it reports instead of declaring "no solution". For a 2×2 system it solves the two lines simultaneously to find the single point where they cross.For a linear equation ax + b = 0 it simply rearranges to x = -b/a. For a quadratic ax² + bx + c = 0 it simply rearranges to x = -b/a. For a linear equation ax + b = 0 it simply rearranges to x = -b/a. For a quadratic ax² + bx + c = 0 it simply rearranges to x = -b/a. For a linear equation ax + b = 0 it simply rearranges to x = -b/a. For a linear equation ax + b = 0 it simply rearranges to x = -b/a. For a linear equation ax + b = 0 it simply rearranges to x = -b/a. For a linear equation ax + b = 0 it simply rearranges to x = -b/a. For a quadratic ax² + bx + c = 0 it simply rearranges to x = -b/a. For a linear equation ax +