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 following simultaneous equations 3x+y=11 and 2x+y=8
A school has a number of students. One is chosen at random; the probability that the student is female is 2/5. Knowing that there are 174 male students, work out the total number of students in the school.
Solve the simultaneous equations algebraically
How do I add two fractions? (plus example)