Add 15 and 9, then subtract that by 87. 63 should be your answer.
Answer:
119
Step-by-step explanation:
14x17 = 238)/2
Answer:

Step-by-step explanation:
we have

step 1
Exchange the variables (x for y and y for x)
so

Isolate the variable y
step 2

subtract 3 both sides

step 3
square root both sides

step 4
Adds 2 both sides

step 5
Let

