28.5=3+3.5(y+7)

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Solution for 28.5=3+3.5(y+7) equation:


Simplifying
28.5 = 3 + 3.5(y + 7)

Reorder the terms:
28.5 = 3 + 3.5(7 + y)
28.5 = 3 + (7 * 3.5 + y * 3.5)
28.5 = 3 + (24.5 + 3.5y)

Combine like terms: 3 + 24.5 = 27.5
28.5 = 27.5 + 3.5y

Solving
28.5 = 27.5 + 3.5y

Solving for variable 'y'.

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

Add '-3.5y' to each side of the equation.
28.5 + -3.5y = 27.5 + 3.5y + -3.5y

Combine like terms: 3.5y + -3.5y = 0.0
28.5 + -3.5y = 27.5 + 0.0
28.5 + -3.5y = 27.5

Add '-28.5' to each side of the equation.
28.5 + -28.5 + -3.5y = 27.5 + -28.5

Combine like terms: 28.5 + -28.5 = 0.0
0.0 + -3.5y = 27.5 + -28.5
-3.5y = 27.5 + -28.5

Combine like terms: 27.5 + -28.5 = -1
-3.5y = -1

Divide each side by '-3.5'.
y = 0.2857142857

Simplifying
y = 0.2857142857

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