How do you solve the system 2x + y = 5 and 3x - y = 10?
1 Answer
Mar 12, 2018
2x + y = 5
3x - y = 10
By solving this equation by eliminating method +y and -y would get canceled, leaving -
2x + 3x = 5 + 10
5x = 15
x = 3
By putting value of x in equation 1,
2x + y = 5
2 × 5 + y = 5
y = -10 + 5
y = -5
