Lesson 1.4 - Solving Linear Systems: Substitution
Learning Goals: By the end of this lesson you will be able to
Solve a system of linear equations using an algebraic strategy.
I will give you 1 hour to work on the following IXL activities. Spending approximately 30mins for each. Try your best to get as high as possible (at least 85%).
Check your answer carefully before you submit because overall mark will drop a lot with a wrong answer.