2.5-2y=4

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Solution for 2.5-2y=4 equation: 


Simplifying
2.5 + -2y = 4

Solving
2.5 + -2y = 4

Solving for variable 'y'.

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

Add '-2.5' to each side of the equation.
2.5 + -2.5 + -2y = 4 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + -2y = 4 + -2.5
-2y = 4 + -2.5

Combine like terms: 4 + -2.5 = 1.5
-2y = 1.5

Divide each side by '-2'.
y = -0.75

Simplifying
y = -0.75

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