Solve the following simultaneous equations: 1) 2x + 7y = 12 2) 4x = 14 - 4y

  1. ×2 --> 4x + 14y = 241) - 2) --> 4x + 14y - 4x = 24 - 14 - (-4y) 14y = 10 + 4y10y = 10 --> y = 14x = 14 - 4 (1)x = 10/4 = 2.5x = 2.5 & y= 1
BS

Related Maths GCSE answers

All answers ▸

Rearrange the following to make 'm' the subject. 4(m - 2) = t(5m + 3)


Sue has a cow farm. Her cows produced on average 25 litres of milk every day for 55 days. Sue bottles the milk in 1/2 litre bottles. How many bottles will Sue need to bottle all the milk.


What is Pythagoras' Theorem for finding the length of a side of a triangle?


Which of these lines are parallel to y=2x+3? Which are perpendicular? Options: 1) y=5x-4, 2) y=-1/3x+3, 3) y=-1/2x-1, 4) y=2x-2/3