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Maths
GCSE

How do I solve a simultaneous equation?

Simultaneous equations are a set of equations that have multiple common unknown variables such as two equations which both contain the unknowns x and y. To solve a simultaneous equation the trick is to ch...

LK
Answered by Lewis K. Maths tutor
3105 Views

All tickets for a concert are at the same price. Amy and Dan pay £63 altogether for some tickets. Amy pays £24.50 for 7 tickets. How many tickets does Dan buy?

Firstly, we translate the information give into Maths equation. Therefore, A+D=£63 (the amount of many the spend on the tickets). Given the amount spent by Amy, we can find the total amount Dan spends: D=...

RL
Answered by Raluca L. Maths tutor
2977 Views

Solve these simultaneous equations and find the values of x and y. Equation 1: 2x + y = 7 Equation 2: 3x - y = 8

We have two reliable methods of solving this simultaneous equation. We can either eliminate the variables (x or y) directly, or make one of the variables the subject of the equation. I will show you how t...

QW
Answered by Quincy W. Maths tutor
2758 Views

How do I solve the equation x^2 + 6 = -5x

This equation is an example of a quadratic equation, which is noticeable by the presence of the x2 term on the left hand side. We begin to solve these types of equations by moving all the terms...

VA
Answered by Viktor A. Maths tutor
4085 Views

how do i factorise a quadratic equation when the coefficient of x^2 is not 1?

Let us take this quadratic equation as an example:2x2 - 3x - 14 = 0The key here is to look for two numbers that multiply to the same number that 2 and -14 multiply to make, so that is 28. The n...

ET
Answered by Ella T. Maths tutor
3358 Views

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