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Maths
GCSE

How do you solve a simultaneous equation?

Take 2 equations say equation 1: 2y+4x=26 and equation 2: y+3x= 18. What we need to do is make either the two x values or the 2 y values be equal so that we can subtract one of the equations from the othe...

BS
Answered by Bryony S. Maths tutor
3890 Views

simplfy x/3 + x/4

When simplifying algebraic fractions, first times all the components by the denominator (number on the bottom) of the first component. In this case, that is 3. x/3 times 3 = x and x/4 time 3 = 3x/4. This ...

TM
Answered by Tabitha M. Maths tutor
4577 Views

2x + 7 = 13 - 2x. What is the value of x?

4x +7 = 13 4x = 6 x=6/4 x=3/2

JL
Answered by Joshua L. Maths tutor
11432 Views

The area of a square is 49cm^2. The perimeter of this square is equal to the circumference of a circle. Calculate the radius of the circle to 1 decimal place.

To calculate the perimeter (the length of the outside edge) of a square, you must add up the length of each side. Here, we have been given the area of the square. The area of a square is calculated by squ...

FB
Answered by Faith B. Maths tutor
17582 Views

Solve 6x^2-13x=5

To be able to solve a quadratic, you must make it equal to zero. So the first thing you have to do is take away 5 from both sides. You could take away 6x^2-13x from each side, but it is much easier to kee...

EC
Answered by Eleanor C. Maths tutor
7969 Views

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