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Solve 5x – 2 > 3x + 11

Let's temporarily replace the inequality sign ">" with "=". This gives us: 5x - 2 = 3x + 11. If we subtract 3x from both sides we are left with: 2x - 2 = 11. If we add 2 to both sides,...
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Answered by Tom O. • Maths tutor
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How can I improve my essay structure?

The structure your essay is one of the first things examiners consider when grading your exams and coursework so it is vital you can do this well. One key part of a highly effective essay which I have now re...
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Answered by Barney M. • English tutor
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What happens to the chemicals during the fractional distillation of crude oil?

In a fractionating column there is a temperature gradient that goes from being very hot at the bottom, to much cooler at the top. Crude oil is a mixture of hydrocarbons of different lengths, and we know that...
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Answered by Rachel H. • Chemistry tutor
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What is the meaning of the term 'structural isomers'?

A pair of strutural isomers are two molecules which have the same molecular formula; the same number of each atom, but which have these atoms arranged differently, and are therefore distinct molecules. An ex...
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Answered by Cei P. • Chemistry tutor
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How is body temperature regulated in mammals?

When it’s too hot, vasodilation occurs, in which the capillaries near the surface of the skin increase in diameter, allowing more blood to flow through them, releasing heat. Hairs on the skin lie flat. The s...
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Answered by Aylin L. • Biology tutor
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