how did you get 29/3 for C

Question

write an equation for the line parallel to the given line that contains C.
C(-3,7)y=8/9x +7

Answer 1

Y = 8x/9 + 7, C(-3,7).

m2 = m1 = 8/9,
C(-3,7).

Y = mx + b,
8/9)*(-3) + b = 7,
b = 7 + 24/9,
b = 7 + 8/3,
b = 21/3 + 8/3 = 29/3'

Y = 8x/9 + 29/3.