Answered

Solve the following systems by substitution:
y = x – 3
x + y = 5

Sagot :

Mlcparra16id
Since y = x-3 , 
x + y = 5
x + x - 3 = 5
2x = 8 
x = 4

y = x - 3
y = 4 - 3 = 1