4-x / 12 = -6
Multiply each side by 12:
4-x = -72
Subtract 4 from each side:
-x = -76
Multiply each side by -1:
x = 76
y = 7/6.....................
Answer:
$192.50
Step-by-step explanation:
12*38.50=462
7*38.50=269.5
462-269.50=192.50
Inserting all the given information into the identity, we have
3 = 92 degree 4 = 88 degree
3 = 45 + 47 = 92 degree
4 = 180 - 92 = 88 degree
