Solving equations by graphing: intro | Algebra 2 | Khan Academy
8Keep going! Check out the next lesson and practice what you’re learning:
https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:sol-eq-graph/e/equations-graph-intro
Some equations are hard to solve exactly with algebraic tools. We can always solve an equation by graphing it, although the solution might not be exact. This is an example of how to solve a relatively simple equation graphically.
View more lessons or practice this subject at https://www.khanacademy.org/v/graphical-equations-intro
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