7.5+7.5y+-8.5y=5.4

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


Simplifying
7.5 + 7.5y + -8.5y = 5.4

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

Solving
7.5 + -1y = 5.4

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 + -1y = 5.4 + -7.5

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

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

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

Simplifying
y = 2.1

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