Question

If x=-3a and y=2a is the solution of equation 5x-4(y-1)
=7find a

Answer 1

Answer:

-3/23

Step-by-step explanation:

5x-4 (y-1) = (5*-3a)-4 (2a-1) = 7

= -15a-8a+4 = 7

= -23a = 7-4

= -23a = 3

= a = -3/23