(3.5y+4)2=4.5y+4

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Solution for (3.5y+4)2=4.5y+4 equation: 


Simplifying
(3.5y + 4) * 2 = 4.5y + 4

Reorder the terms:
(4 + 3.5y) * 2 = 4.5y + 4

Reorder the terms for easier multiplication:
2(4 + 3.5y) = 4.5y + 4
(4 * 2 + 3.5y * 2) = 4.5y + 4
(8 + 7y) = 4.5y + 4

Reorder the terms:
8 + 7y = 4 + 4.5y

Solving
8 + 7y = 4 + 4.5y

Solving for variable 'y'.

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

Add '-4.5y' to each side of the equation.
8 + 7y + -4.5y = 4 + 4.5y + -4.5y

Combine like terms: 7y + -4.5y = 2.5y
8 + 2.5y = 4 + 4.5y + -4.5y

Combine like terms: 4.5y + -4.5y = 0.0
8 + 2.5y = 4 + 0.0
8 + 2.5y = 4

Add '-8' to each side of the equation.
8 + -8 + 2.5y = 4 + -8

Combine like terms: 8 + -8 = 0
0 + 2.5y = 4 + -8
2.5y = 4 + -8

Combine like terms: 4 + -8 = -4
2.5y = -4

Divide each side by '2.5'.
y = -1.6

Simplifying
y = -1.6

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