Answer:
x = 3
y = -2
Step-by-step explanation:
I honestly don't understand the question I think you made a mistake writing it but I think I have an idea about it.
Answer:
139
Step-by-step explanation:
Substitute x for 15.
9(15)+4
Then multiply:
135+4
And then add:
139
I believe (3*8)*6=3*(8*6) illustrates the associative property of multiplication.
(3*8)*6=3*(8*6)
24*6=3*48
144=144
You would do ten times fifty. which would be 500
180
180- 40=140
140 / 2= 70