Expand
add 5x to both sides
simplify 2x + 8 + 5x to 7x + 8
subtract 8 from both sides
simplify 1 - 8 to -7
divide both sides by 7
Answer: x = -1.
The cosecant is the reciprocal of the sine, so
That's not the sine of a real angle because it's out of the range -1 to 1.
6047/18 will equal 335.94