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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 want...
MW
Answered by Myles W. • Maths tutor
13168 Views

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 the...
SR
Answered by Sebastian R. • German tutor
2297 Views

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 by ...
MA
Answered by Mariam A. • Maths tutor
19164 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 x 2 term, we know that it is quadratic.Now that we know t...
SP
Answered by Samuel P. • Maths tutor
6255 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 rearranged [A] x - (18 - 2x) = 6expand brackets| x - 18 + 2x = 6 simplify|...
NY
Answered by Nichol Y. • Maths tutor
4069 Views