4.2-2y=16.8

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Solution for 4.2-2y=16.8 equation: 


Simplifying
4.2 + -2y = 16.8

Solving
4.2 + -2y = 16.8

Solving for variable 'y'.

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

Add '-4.2' to each side of the equation.
4.2 + -4.2 + -2y = 16.8 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + -2y = 16.8 + -4.2
-2y = 16.8 + -4.2

Combine like terms: 16.8 + -4.2 = 12.6
-2y = 12.6

Divide each side by '-2'.
y = -6.3

Simplifying
y = -6.3

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