Answer:
55y454t
Step-by-step explanation:
54wwrg
576
144 times 4
144+144=288
144+144=288
576
Answer: 3rd one
Step-by-step explanation:
Answer: y=6x+30
Step-by-step explanation:
4x - y = 61
2y = x
substitute x = 2y in first equaation:-
4(2y) - y = 61
7y = 61
y = 61/7
so x = 2 * 61/7 = 122/7
y = 8 5/7 and x = 17 3/7