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how to teach equations

Do the equations x = 4y + 1 and x = 4y – 1 have the
same solution? How might you explain your answer to someone who has not learned
algebra? Show your answers

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Robert J. | Certified High School AP Calculus and Physics TeacherCertified High School AP Calculus and Ph...
4.6 4.6 (13 lesson ratings) (13)

The two lines have the same slope (1/4) but different y-intercepts (-1/4 and 1/4) . Therefore, there is no common solution.