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Solve algebraically: 6a + b = 16 5a - 2b = 19

We have two algebraic equations and we are trying to find what a and b can equal to fit for both situations. 1. 6a + b = 16 2. 5a - 2b = 19 The easiest method is substitution because we can sub in an equatio...
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Answered by Sophie W. • Maths tutor
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Simplify: 2x + 6y + 2y - x

This is simplified by solving common terms (the x's and the y's). Where X and Y terms can't be solved together. Splitting it up: You can see 2x-x= x and for the Y terms (+)6y+2y=8y Therefore the final answer...
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Answered by Sophie W. • Maths tutor
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How does actual economic growth differ to potential economic growth?

Actual economic growth can also be known as demand side economic growth because it is affected by changes in the demand in an economy. It is an increase in output as measured by real GDP/ national income. It...
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Answered by Sophie W. • Economics tutor
34711 Views

How do I form the perfect tense?

In Spanish, the perfect tense corresponds to the English construction to have done something e.g. I have eaten lunch . Like all compound tenses in Spanish, the verb used to form the have/has part is haber . ...
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Answered by Connor W. • Spanish tutor
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"Assess the significance of violence in democratic change in Britain, 1815-1929."

This is a typical question for second year A-Level coursework. The key words in this question are 'violence' and 'democratic change'. The dates are important as they provide limits for the scope in your answ...
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Answered by Elise H. • History tutor
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