5.5=1.5-(-2y)

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Solution for 5.5=1.5-(-2y) equation:


Simplifying
5.5 = 1.5 + -1(-2y)

Remove parenthesis around (-2y)
5.5 = 1.5 + -1 * -2y

Multiply -1 * -2
5.5 = 1.5 + 2y

Solving
5.5 = 1.5 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
5.5 + -2y = 1.5 + 2y + -2y

Combine like terms: 2y + -2y = 0
5.5 + -2y = 1.5 + 0
5.5 + -2y = 1.5

Add '-5.5' to each side of the equation.
5.5 + -5.5 + -2y = 1.5 + -5.5

Combine like terms: 5.5 + -5.5 = 0.0
0.0 + -2y = 1.5 + -5.5
-2y = 1.5 + -5.5

Combine like terms: 1.5 + -5.5 = -4
-2y = -4

Divide each side by '-2'.
y = 2

Simplifying
y = 2

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