3*2.5+y=-8

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Solution for 3*2.5+y=-8 equation: 


Simplifying
3 * 2.5 + y = -8

Multiply 3 * 2.5
7.5 + y = -8

Solving
7.5 + y = -8

Solving for variable 'y'.

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

Add '-7.5' to each side of the equation.
7.5 + -7.5 + y = -8 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + y = -8 + -7.5
y = -8 + -7.5

Combine like terms: -8 + -7.5 = -15.5
y = -15.5

Simplifying
y = -15.5

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