Solve the following simultaneous equations: 3x + 2y = 16 2x + 3y = 14
Answer: x = 4, y = 2
Method: Eq 1) 3x + 2y = 16 Eq 2) 2x + 3y =14
Eq 1 x 2) 6x + 4y = 32 Eq 2 x 3) 6x + 9y = 42
New Eq 2 - New Eq 1) 5y = 10, so y = 2
Sub y into Eq 1) 3x + 4 = 16, 3x = 12, so x = 4
EO
Related Maths GCSE answers
All answers ▸Solve the equation (3x + 2)/(x - 1) + 3 = 4 (3 marks)
Solve x^2+3x-18=0 for x
How would you solve the simultaneous equations 2x + y = 7 and 3x - y = 8
In 2017 the number of teachers in a school was 20. The number of teachers doubles each year. If in 2019 3/5 of the teachers are female how many male teachers are there in 2019?