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Solve this pair of simultaneous equations (1) 5x+2y=20 and (2) x+4y=13

To solve these equations, our aim is to find a value of x and a value of y that satisfy both equations at the same time. By satisfy we mean, if we plug our values in for x and y then the left hand side...

Answered by Jenny H. • Maths tutor

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Solve the simultaneous equations 2x+2y=14 and 3x-y=1

To solve these eliminations, we must eliminate either the x's or the y's. Either is possible but let us start with the y's. There is 2y in the first equation and (-1)y in the second, so we will have to...

Answered by Angus S. • Maths tutor

7532 Views

Solve x^2 + x -12= 0 for all values of x.

This is a quadratic equation so there are two main methods you can use to solve it- factorising and completing the square.

My preferred method and the on...

Answered by Sam F. • Maths tutor

12702 Views

When do you use imparfait instead of passé composé to describe past events?

While the passé composé is used to refer to specific past events of interest, the imparfait can loosely be thought of as describing “background information” such as:

Answered by Alexander S. • French tutor

3239 Views

How should I structure paragraphs?

The best way to structure your paragraphs for essays is to use the PEEL method. This stands for Point, Evidence, Explanation and Link. By following this structure not only do you foreground your main poi...

Answered by Ella F. • History tutor

6306 Views