y+7.8=-4

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Solution for y+7.8=-4 equation: 


Simplifying
y + 7.8 = -4

Reorder the terms:
7.8 + y = -4

Solving
7.8 + y = -4

Solving for variable 'y'.

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

Add '-7.8' to each side of the equation.
7.8 + -7.8 + y = -4 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + y = -4 + -7.8
y = -4 + -7.8

Combine like terms: -4 + -7.8 = -11.8
y = -11.8

Simplifying
y = -11.8

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