Question 621386
Rearranging your line get 7y=70-3x  so y=10-3/7x  So gradient= -3/7
The equation of a line through (x1,y1)with gradient m is

y-y1=m(x-x1) For this question x1=6  y1=2 and m=-3/7
So equation is y-2=-3/7(x-6)
Mulyiply both sides by 7  7y-14=-3x+18 So 7y+3x=32