2.5-4=y

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Solution for 2.5-4=y equation:


Simplifying
2.5 + -4 = y

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

Solving
-1.5 = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-1.5 + -1y = y + -1y

Combine like terms: y + -1y = 0
-1.5 + -1y = 0

Add '1.5' to each side of the equation.
-1.5 + 1.5 + -1y = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + -1y = 0 + 1.5
-1y = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
-1y = 1.5

Divide each side by '-1'.
y = -1.5

Simplifying
y = -1.5

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