

Dividing both sides by two,

OK, part 1.

When

then

Part 2.

When

then
If the equation is

then rewrite the equation as

Divide boths sides by 7:

Since
, we can factorize this as

Now solve for <em>x </em>:



where <em>n</em> is any integer.
If you meant sin(2<em>x</em>) instead, I'm not sure there's a simple way to get a solution...
Answer:
-4
Step-by-step explanation:
Parallel lines have the same slope
If the green line has a slope of -4, then the red line has a slope of -4
Answer:
Try using an interest calculator
Step-by-step explanation:
It's a life saver!
Answer:
-4, 19
Step-by-step explanation: