Answer:
Rewrite the equation as
5
x
+
10
y
=
20
5
x
+
10
y
=
20
.
5
x
+
10
y
=
20
5
x
+
10
y
=
20
Subtract
5
x
5
x
from both sides of the equation.
10
y
=
20
−
5
x
10
y
=
20
-
5
x
Divide each term by
10
10
and simplify.
y=2−x/ 2
Step-by-step explanation:
Answer:
A. 11/12
Step-by-step explanation:
72 should be ur answer if im exact
Answer: 1/(Y^2) or if you want in y^n is y^2
apply exponents law (a^b) ^c = a^b c
take off the parenthesis
1/2 · 4
1 · 4/(2)
4/2
divide it
4/2= 2, nevertheless it become -2
y^-2
1/(y^2)