PLS HELP
39. For each part (a)-(f), find the value of y when x = -2. Show your work
a. y = 3x - 7
b. 3x – 2y = 10
c. 7x – 4y = 12
d. x = 4y - 2
e. 3 = 2x - y
f. 12 = -3x – 4y
