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Make y the subject of the following equation: 2x - y = 5

If we want to make y the subject of our equation, we need to re-arrange our equation so that y is on its own on one side of the equation. Such as y=...To re-arrange our equation, we need to decide if we w...

Answered by Myles W. • Maths tutor

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When do I use "sein" and when do I use "haben" in the past tense

"Sein" means literally "to be". "Haben" means "to have". When using the past tense, where there is motion you use "sein" with the appropriate pronoun and ...

Answered by Sebastian R. • German tutor

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Solve (3x-2)/4 -(2x+5)/3 =(1-x)/6

The easiest way to solve this is to first eliminate the denominators by multiplying the whole expression by the lowest common multiple of 4, 3 and 6. In this case it is 12. If each fraction is multiplied ...

Answered by Mariam A. • Maths tutor

17362 Views

Solve for x: 2x^2 = 5x + 12

The first step to solving any equation is to work out what kind of equation it is. As this particular equation has only x's and numbers, and it has a x² term, we know that it is quadratic.Now t...

Answered by Samuel P. • Maths tutor

5467 Views

Solve the simultaneous equations A and B: [A] 2x + y = 18 [B] x - y = 6

[A] 2x + y = 18[B] x - y = 6Rearrange [A] to make y the subject 2x + y = 18minus 2x| y = 18 - 2xReplace the value y in [B] with the rear...

Answered by Nichol Y. • Maths tutor

3601 Views