4*-.5+2Y=-1

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Solution for 4*-.5+2Y=-1 equation: 


Simplifying
4 * -0.5 + 2Y = -1

Multiply 4 * -0.5
-2 + 2Y = -1

Solving
-2 + 2Y = -1

Solving for variable 'Y'.

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

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

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

Combine like terms: -1 + 2 = 1
2Y = 1

Divide each side by '2'.
Y = 0.5

Simplifying
Y = 0.5

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