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Solve (3x-2)/4 -(2x+5)/3 =(1-x)/6

The easiest way to solve this is to first eliminate the denominators by multiplying the whole expression by the lowest common multiple of 4, 3 and 6. In this case it is 12. If each fraction is multiplied by ...
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Answered by Mariam A. • Maths tutor
18640 Views

Solve for x: 2x^2 = 5x + 12

The first step to solving any equation is to work out what kind of equation it is. As this particular equation has only x's and numbers, and it has a x 2 term, we know that it is quadratic.Now that we know t...
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Answered by Samuel P. • Maths tutor
5929 Views

Solve the simultaneous equations A and B: [A] 2x + y = 18 [B] x - y = 6

[A] 2x + y = 18 [B] x - y = 6Rearrange [A] to make y the subject 2x + y = 18minus 2x| y = 18 - 2xReplace the value y in [B] with the rearranged [A] x - (18 - 2x) = 6expand brackets| x - 18 + 2x = 6 simplify|...
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Answered by Nichol Y. • Maths tutor
3882 Views

Jon and Nik share money in the ratio 5 : 2 Jon gets £150 more than Nik. How much money do they share altogether?

If we forget about the £150 more for a second then we can think of some very basic scenarios where the 5 : 2 ratio is satisfied. For example, Jon has £5 Nik has £2 or Jon has £10 Nik has £4 and so on. From t...
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Answered by William S. • Maths tutor
7797 Views

What is the nth term of the sequence 5, 7, 9, 11....

Difference between each number is +2Therefore the sequence is 2n + C When n = 1 the value is (2x1) + C = 2 + C = 5C = 36 nth term is 2n + 3 CHECK 3rd term should be (2x3) + 3 = 6 + 3 = 9 Which is correct
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Answered by Thomas L. • Maths tutor
25294 Views