Integers because it uses degrees
The z is 5
−2⋅<em>z</em>=−8+18
-
2
⋅
z
=
-
8
+
18
Simplify :
−2⋅<em>z</em>=10
-
2
⋅
z
=
10
Dividing by the variable coefficient :
<em>z</em>=−
10
2
z
=
-
10
2
Simplify :
<em>z</em>=−5
z
=
-
5
The solution of equation
2⋅<em>z</em>−18−4⋅<em>z</em>=−8
2
⋅
z
-
18
-
4
⋅
z
=
-
8
is
[−5]
Answer:
the answer is 12 inches
every inche equals 15 feet from 30/2 then divide it by the total 180/15 which equals 12
The answer is (n+11)(n-4). You want to find what multiplies to make -44 and what adds to make 7.