Question

If A(-3,q) is a solution of 3x + 4y = -12, find the value of q

Answer 1

Answer:

3x+4y=k

x=3

y=2

....

3×3+4×2 = k

9+8 =k

14 =k. .

hence, the value of k is 17

Answer 2

3x+4y= -12

3×-3+4×q= -12

-9+4q= -12

4q= -12+9

4q= -3

q= -3/-4

-of 3 and -of4 will cancled

q=3/4

if you ask full answer it is in decimal =0.75