Solve this simultaneous equation for x: 3x + y = 10, x + y = 4
x = 3
HM
Related Maths GCSE answers
All answers ▸Solve x^2 - 10x + 21 = 0 through the following methods: Factorisation, Completing the Square and using the Quadratic Formula
Solve: 3(x - 2) = 21
Work out the value of 2a^2 + b^3 when a = 5 and b = –3
There are n sweets in a bag, 6 of which are orange. If the probablility of eating 2 orange sweets from the bag, one after the other, is 1/3, show that n^2 - n - 90 = 0. State any assumptions made.