Answer:
x=2.5
Step-by-step explanation:
Put the like terms together, like so:
10x-2x=34-14
The result is this:
8x=20
Simplify to get:
x=2.5
-14a-5=-12
+5 +5
-14a=-7
Divide -7 by -14a
a=2
Answer:
30 m
Step-by-step explanation:
You simply add the lengths of all the sides. 3 m is not needed for this.
Answer: The is B
Step-by-step explanation: