Hazelviz
Answered

solving system of linear equation by substitution method

y=x+2
2x+y=17

Sagot :

y=x+2     (1)
2x+y=17  (2)

sub(1) to (2)
2x + (x+2) =17
3x= 15
x=5

sub x value to (1)
y = (5) + 2
y = 7