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3x + 2y = 14 -> 15x - y = 6 -> 2Answer: x = 2 and y =4Solution:multiply both sides of equation 2 by 2: 10x - 2y = 12add this to equation 1: 3x + 10x + 2y -2y = 14 +12simplify: 13x = 26divide by 13: ...

It works best to remember that the same pattern is used in English. If we remember that the conditional comes after a 'what if?' sentence, it roughly always translates as 'would'. For example, 'if you cou...

The best thing to do is making your own notes and making sure that you understand the topics. And then, you can start doing past papers (without looking back to your notes), and see which topics in partic...

Firstly, it's really important to have a good level of familarity with the text, as this can help you choose what to write about in the exam. Make sure you have read the full text at least twice - prefera...

equation 1) x - 2y = 1equation 2) x² + y² = 13
Rearrange equation 1 to: x = 1+2ysubstitute into equation 2: (1+2y)² + y²=13expand first bracket: (1+2y)(1+2...