Answer:
15
Step-by-step explanation:
Put the given value of x where x is in the expression and do the arithmetic.
4^3 -(3 +4)^2 = 64 -49 = 15
The value of the expression for x=4 is 15.
x = 24
Step-by-step explanation:
isolate the variable
An enlargment im pretty sure
Answer:
4 cows and 9 ducks
Step-by-step explanation:
X is cows and Y is ducks
X+Y= 13
4*X + 2*Y= 34
- X+Y= 13
-4*X + 2*Y= 34
4*X+ 2*Y= 34
2*X+ 2*Y= 26
2*X = 8
X= 4
X+Y= 13
Y= 13-4
Y=9
Answer:
transposition method
Step-by-step explanation:
it helps to find that value of y