Solve the system of linear equations y= -2x + 19
Y= x + 7

+2

(1) Answers

leslyalvarez04

Let,
y= -2x + 19 ----->(1 )
y= x + 7 -------->(2)
By putting the value of y from equation (2) at equation (1), we get,
x+7 = -2x + 19
=> 3x = 12
=> x = 4
from equation (2) we get ,
y = 11
Answer : (x, y) = (4, 11) .