it is 7yx because 28 ÷ 4 = 7 and you just add the related variables to it.
Y-x =17
y = -x + 17
substitute this into the second equation
y = 4x + 2
-x + 17 = 4x + 2
0= 5x -15
15/5 = 5x/5
3 = x
180 - 78 = 102 hope this help
Answer: 168
Step-by-step explanation:
Times the two numbers together to get the combinations.
24x7=168