2(y+4)-7y=28

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Solution for 2(y+4)-7y=28 equation: 


Simplifying
2(y + 4) + -7y = 28

Reorder the terms:
2(4 + y) + -7y = 28
(4 * 2 + y * 2) + -7y = 28
(8 + 2y) + -7y = 28

Combine like terms: 2y + -7y = -5y
8 + -5y = 28

Solving
8 + -5y = 28

Solving for variable 'y'.

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

Add '-8' to each side of the equation.
8 + -8 + -5y = 28 + -8

Combine like terms: 8 + -8 = 0
0 + -5y = 28 + -8
-5y = 28 + -8

Combine like terms: 28 + -8 = 20
-5y = 20

Divide each side by '-5'.
y = -4

Simplifying
y = -4

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