Answer:
3x-10=x+4
Step-by-step explanation:
The answer is 5.
you can turn it into a fraction ratio (6 over 15 is equal to 2 over c) and then cross multiply
Answer:
x=pi*n/2+1/2arctan(7/5)
Step-by-step explanation:
5sin(2x)=7cos(2x)
5tan(2x)=7/5
2x=pi*n+arctan(7/5)
x=pi*n/2+1/2arctan(7/5) for n e Z
Answer:
-6
Step-by-step explanation:
It is (5x + 6) (x + 2)
The way of deriving this is through cross multiplication