Question 980334
Question 4:
-x+2=3x-4
.
Question 5:
y = 5x + 10
y = 5x + 5 
.
5x+10=5x+5 Subtract 5x+5 from each side.
5=0 False- no solution
Parallel lines - no intersection, no common solution. 
{{{ graph( 800, 800, -10, 10, -10, 10, 5x+10, 5x+5)}}}