We need to solve y= -1/4 x + 4 for y Let's start by substitute -1/4 x +4 for y in x+2y=6 x + 2y =6 x + 2(-1/4 x+4) =6 1/2 x + 8 =6 1/2 x = 6 - 8 1/2 x = -2 x = -2/1/2 x = -4 Now we need to find the value for y Let's find it by substitute -4 for x in y= -1/4 x +4 y = -1/4 x + 4 y= -1/4 (-4) +4 y= 4/4 + 4 y = 1 + 4 y= 5
Answer : Y=5 and x= -4
I hope that's help... If you have any questions please let me know ! Good night :)
