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Solve the simultaneous equation 6x + 2y = -3, 4x - 3y =11

6x + 2y = -3 (1)*3 4x - 3y = 11 (2)*2 18x + 6y = -9 (1) 8x - 6y = 22 (2) (1) + (2) = 18x +8x + 6y - 6y = -9 + 22 => 26x = 13 => x = 1/2 sub x into (1) => (6 * 0.5) + 2y = -3 3 + 2y = -3 2y = -6 y = -3
AP
Answered by Aldouz P. • Maths tutor
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AQA GCSE higher specimen paper 1: Question 28

When performing live calculations of examples of questions for the students, I shall begin by writing down an approach to how they should tackle the problem. This will only take a minute and I’ve found doing...
AR
Answered by Andrew R. • Maths tutor
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Explain critiques of Malthus’ view on the relationship between population growth and resource production. (6 marks)

Explain the Malthusian view: Thomas Malthus’ (1798) essay titled ‘Principle of Population’ proposes that resource production is linear, whereas human population growth is exponential and will eventually outs...
NS
Answered by Nevena S. • Geography tutor
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Consider the view that Shakespeare's presentation of personal and political power in King Lear has universal interest and relevance

In ‘King Lear’, Shakespeare presents personal and political power from a number of different angles and thus, in a number of different ways. Much focus is inevitably given to Lear himself, and the dichotomy ...
CG
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The listening exam

Music GCSE can look daunting due to the exam and the coursework. However, when broken down and explained well each task can become much simpler. I can teach you about the technique needed in the listening ex...
SE
Answered by Samuel E. • Music tutor
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