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 ▸Kelly is trying to work out the two values of w for which 3w-w^3=2. Her values are 1 and -1. Are her values correct?
A is the point with coordinates (5, 9) B is the point with coordinates (d, 15) The gradient of the line AB is 3 Work out the value of d.
solve (y+1)^2 = 4
if b is two thirds of c. 5a = 4c Work out the ratio a : b : c