Answer:


Step-by-step explanation:
Given:
The given expressions are.

We need to find x and y values.
Solution:
Equation 1⇒
Equation 2⇒ 
First solve the equation 1 for y.
--------(3)
Substitute
in equation 2.

Simplify.



Add 16 both side of the equation.



Divide Numerator and denominator by 5.

Substitute x value in equation 3 and simplify.





.
Therefore, the value of
and
.
Answer:
1638m²
Step-by-step explanation:
42×39= 1628m²
Are these two separate questions?
Answer:
x=9
Step-by-step explanation:
Since x+5=14, then you would subtract 5 from 14. 14-5=9. So that means x equals 9.