Answer:
2m+12
Step-by-step explanation:
add like terms
2m+12
You need to get "x" by itself on one side

Add positive eight on both sides---because its the opposite of negaitve


Divide -2 by -2
-2÷-2=1
<u>

</u>
9/23.85=<span>0.377
0.7/5.86372=</span> 0.119
Answer:
20.5
Step-by-step explanation:
Let's label the vertices ABC as in the diagram below. Then
Data:
α = 34 °
β = 90 °
c = 17
Calculation:
cosα = AB/AC
Multiply each side by AC
ACcosα = AB
Divide each side by cosα
AC = AB/cosα = 17/cos34 ≈ 17/0.8290 ≈ 20.5