7y-7=5.5y-2.5

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Solution for 7y-7=5.5y-2.5 equation: 


Simplifying
7y + -7 = 5.5y + -2.5

Reorder the terms:
-7 + 7y = 5.5y + -2.5

Reorder the terms:
-7 + 7y = -2.5 + 5.5y

Solving
-7 + 7y = -2.5 + 5.5y

Solving for variable 'y'.

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

Add '-5.5y' to each side of the equation.
-7 + 7y + -5.5y = -2.5 + 5.5y + -5.5y

Combine like terms: 7y + -5.5y = 1.5y
-7 + 1.5y = -2.5 + 5.5y + -5.5y

Combine like terms: 5.5y + -5.5y = 0.0
-7 + 1.5y = -2.5 + 0.0
-7 + 1.5y = -2.5

Add '7' to each side of the equation.
-7 + 7 + 1.5y = -2.5 + 7

Combine like terms: -7 + 7 = 0
0 + 1.5y = -2.5 + 7
1.5y = -2.5 + 7

Combine like terms: -2.5 + 7 = 4.5
1.5y = 4.5

Divide each side by '1.5'.
y = 3

Simplifying
y = 3

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