47+8.1=4.2y-3.2y-8.4

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Solution for 47+8.1=4.2y-3.2y-8.4 equation: 


Simplifying
47 + 8.1 = 4.2y + -3.2y + -8.4

Combine like terms: 47 + 8.1 = 55.1
55.1 = 4.2y + -3.2y + -8.4

Reorder the terms:
55.1 = -8.4 + 4.2y + -3.2y

Combine like terms: 4.2y + -3.2y = 1y
55.1 = -8.4 + 1y

Solving
55.1 = -8.4 + 1y

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.
55.1 + -1y = -8.4 + 1y + -1y

Combine like terms: 1y + -1y = 0
55.1 + -1y = -8.4 + 0
55.1 + -1y = -8.4

Add '-55.1' to each side of the equation.
55.1 + -55.1 + -1y = -8.4 + -55.1

Combine like terms: 55.1 + -55.1 = 0.0
0.0 + -1y = -8.4 + -55.1
-1y = -8.4 + -55.1

Combine like terms: -8.4 + -55.1 = -63.5
-1y = -63.5

Divide each side by '-1'.
y = 63.5

Simplifying
y = 63.5

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