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Simplify the following expression fully: 4x + 5y + 6x - 7y

We must identify the like terms and combine them: 4x + 5y + 6x - 7y 4x + 6x = 10x 5y - 7y = -2y Therefore, the simplified expression is 10x - 2y.
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Answered by Melanie U. • Maths tutor
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What is a sustainable city?

Sustainability is the ability to meet the needs of the present without impacting of the needs of the future. A sustainable city should consider three key areas; economics, social, and environment. The city s...
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Answered by Rebecca I. • Geography tutor
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Work out the value of: 2+8x3

When it comes to equations that have more than one symbol, you must always follow BODMAS: Brackets, Order, Division, Multiplication, Addition, Subtraction. The equation we have is 2 + 8 x 3, using BODMAS we ...
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Answered by Melanie U. • Maths tutor
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Why is the gothic genre so bloody ?

The gothic genre was essentially the guilty pleasure reading of its day. Victorian society was constrained by the ideals of modesty and decorum, with a good deal of religious piety. Gothic writers rebelled a...
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Answered by Rebecca I. • English tutor
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How does a bill become a law in the UK?

A bill becomes a law once it is given royal assent by the Queen, and it has to be passed through a number of steps in order to do this. The UK government has two legislative chambers, the House of Lords and ...
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