Question

8x+5y-3=0 если y=4 2/5

Answer 1

8х + 5у - 3 = 0     если у = 4 2/5 = 22/5
8х + 5 * 22/5 - 3 = 0
8х + 22 - 3 = 0
8х + 19 = 0
8х = - 19
х = - 19/8
х = - 2 3/8