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Solve the equation 9x - 15 = 5 - x

This question is about rearranging the equation so that all the known variables are on one side and all the unknown variables are on the other side. To start with we can look at the x terms, remembering to r...
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Answered by Ella S. • Maths tutor
4373 Views

How does the equation of a circle work? What do the individual parts represent?

A student will often see the equation of a circle in the form (x-a) 2 +(y-b) 2 =r 2 . In this instance, a and b simply represent numbers. They are not variables. In fact, a represents the x co-ordinate of th...
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Answered by Milo L. • Maths tutor
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How do you solve an algebraic equation?

To solve an algebraic equation you need to rearrange it into the format x=? To do this there are a few rules and few steps R ules: whatever you add or subtract to one side you must also do to the other side ...
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Answered by Ruth W. • Maths tutor
3873 Views

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

Firstly, begin by multiplying both sides of the equation by (x-2) and (x+3), this gives 6(x+3)-2(x-2)=(x+3)(x-2). Expand out the brackets on each side of the equation to give 6x+18-2x+4=x 2 -2x+3x-6. Next, e...
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Answered by Ryan H. • Maths tutor
6632 Views

Factorise the equation below (1)

(1) x 2 + 15x + 56 = 0 56 = 1 x 56, 2 x 26, 4 x 14, 7 x 8 7 + 8 = 15 Hence, factorised equation is (x + 7)(x + 8) = 0
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Answered by Fraser T. • Maths tutor
3539 Views