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How to solve the following simultaneous equations? Equation 1: 3x+y=10 Equation 2: 2x-y=5

There are 2 easiest and quickest ways to approach this question:

1). By elimination:

When using the elimination method, you want to make sure that you choose the correct varia...

AC
Answered by Angel C. Maths tutor
9074 Views

How do I ask a question in French?

Suppose you want to ask someone if they are tired. You need to start with a declarative sentence: "Tu es fatigué", which means "You are tired" There are two methods you can use to ask ...

MH
Answered by Matthis H. French tutor
3632 Views

Explain the concept of recessive and dominant alleles

Firstly it is always good to relate such a concept with an example that is easily remembered and therefore easily applied. Alleles refer to alternate forms of the same gene, which code for a particular tr...

JC
Answered by Juliette C. Biology tutor
5913 Views

Solve x^2 -6x +5 = 0 and plot this graph between -10<x>10

To solve the equation you need to factorise the quadratic. This means you need to find 2 numbers that when multiplied make 5 and when added together make -6. These would be -1 and -5. You can now separate...

HH
Answered by Henry H. Maths tutor
3392 Views

How do I solve 2x^2 -x -6 = 0

Firstly if you multiply the number infront of the x2 by the number at the end to give -12. And then take the number infront of x, which is -1. Now we need to find two numbers that add to make -...

BB
Answered by Bei Bei M. Maths tutor
4818 Views

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