For the equation 7x+3y=10x/y make x the subject.

7xy+3y2=10x 3y2=10-7xy 3y2=x(10-7y) 3y2/10-7y=x

TH
Answered by Tom H. Maths tutor

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I find the percentage questions really hard, how do I answer the questions that will come up in exams?


solve y=3x+4, x=y+1


Solve the following simultaneous equation: y= x^2 - 3x + 4 y - x = 1


Make x the subject of the following equation: 2x-4=2y.


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