Usually I recommend that students solve simultaneous equations using substitution when an equation is not linear but in this ...

A PowerPoint that can be used with a class, A scaffolded student version of the PowerPoint with gaps for the students to fill in, A differentiated worksheet with answers included. This resource is ...

Simultaneous equations like 𝒚 = 2𝒙 - 1 and 𝒚 = 𝒙 + 1 can be represented graphically. To solve the equations graphically, the two lines 𝒚 = 𝒙 + 1 and 𝒚 = 2𝒙 - 1 are drawn on the same diagram.

Before starting this guide, it may be helpful to read the guide from M1 on coordinates and graphs. To solve the equations graphically, the two lines 𝒚 = 𝒙 + 1 and 𝒚 = 2𝒙 - 1 are drawn on the same ...

Late at night, your math workbook lies open. The moment you see the illustration of a beaker and the words "x% saltwater ...