2-senx=-1

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Solution for 2-senx=-1 equation: 


Simplifying
2 + -1senx = -1

Solving
2 + -1ensx = -1

Solving for variable 'e'.

Move all terms containing e to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + -1ensx = -1 + -2

Combine like terms: 2 + -2 = 0
0 + -1ensx = -1 + -2
-1ensx = -1 + -2

Combine like terms: -1 + -2 = -3
-1ensx = -3

Divide each side by '-1nsx'.
e = 3n-1s-1x-1

Simplifying
e = 3n-1s-1x-1

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