5.4=8.5y-7.5y+7.5

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Solution for 5.4=8.5y-7.5y+7.5 equation: 


Simplifying
5.4 = 8.5y + -7.5y + 7.5

Reorder the terms:
5.4 = 7.5 + 8.5y + -7.5y

Combine like terms: 8.5y + -7.5y = 1y
5.4 = 7.5 + 1y

Solving
5.4 = 7.5 + 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.
5.4 + -1y = 7.5 + 1y + -1y

Combine like terms: 1y + -1y = 0
5.4 + -1y = 7.5 + 0
5.4 + -1y = 7.5

Add '-5.4' to each side of the equation.
5.4 + -5.4 + -1y = 7.5 + -5.4

Combine like terms: 5.4 + -5.4 = 0.0
0.0 + -1y = 7.5 + -5.4
-1y = 7.5 + -5.4

Combine like terms: 7.5 + -5.4 = 2.1
-1y = 2.1

Divide each side by '-1'.
y = -2.1

Simplifying
y = -2.1

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