Solve the simultaneous equations; 3x + 2y = 11 x -4y = 13
Rearrange to get either y or x as the subject of the equation and then solve the equation by doing this. This is called eliminating one variable (x or y) substitute the found value into either equation stated above. This should give your second/final solution.
answers: x=5 y=-2
Related Maths GCSE answers
All answers ▸How do I factorise a quadratic equation?
Factorise the expression: 2x^2 + 17x + 21
A lorry can travel 35 miles per litre of diesel that costs £7.30 per litre. What is the cost in £ (to the nearest 2 decimal places) of the diesel used in driving the lorry 200 miles?
Solve 0=X^2 +5x +4