Skip navigationOak National Academy Logo {"@context":"https://schema.org","@type":"Course","name":"Solve where xy = a and y = 2x + 1 (substituting)","description":"In this lesson, we will solve simultaneous equations using substitution. You need to be confident in solving quadratics by factorisation and by the quadratic formula before starting this lesson.","url":"https://teachers.thenational.academy/lessons/solve-where-xy-a-and-y-2x-1-substituting-6rukec","provider":{"@type":"EducationalOrganization","name":"Oak National Academy","url":"https://www.thenational.academy/","sameAs":["https://www.facebook.com/oaknationalacademy/","https://twitter.com/OakNational"]},"teaches":"Maths"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"teachers","item":"https://teachers.thenational.academy"},{"@type":"ListItem","position":2,"name":"Key Stage 4","item":"https://teachers.thenational.academy/key-stages/"},{"@type":"ListItem","position":3,"name":"Subjects","item":"https://teachers.thenational.academy/subjects/"},{"@type":"ListItem","position":4,"name":"Maths","item":"https://teachers.thenational.academy/subjects/maths"},{"@type":"ListItem","position":5,"name":"One linear and one quadratic simultaneous equations","item":"https://teachers.thenational.academy/units/one-linear-and-one-quadratic-simultaneous-equations-86b4"}],"numberOfItems":5} # Lesson overview:Solve where xy = a and y = 2x + 1 (substituting)

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