In a rhombus, all sides are equal:
5x = 15
and x = 15/5 = 3
(you could have done the same thing with the other side: 5x = 4x +3)
Asking the Math Gods...
A=W*L
9*3=27in^2
9*5=45in^2
The answer is B. -a+4+5a-a-6
Answer:
The first one. Brainly is also in spanish
Answer:
10 
Step-by-step
Reduce
to
and simply subtract.