7(2y+1)=5(y-4)

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Solution for 7(2y+1)=5(y-4) equation:


Simplifying
7(2y + 1) = 5(y + -4)

Reorder the terms:
7(1 + 2y) = 5(y + -4)
(1 * 7 + 2y * 7) = 5(y + -4)
(7 + 14y) = 5(y + -4)

Reorder the terms:
7 + 14y = 5(-4 + y)
7 + 14y = (-4 * 5 + y * 5)
7 + 14y = (-20 + 5y)

Solving
7 + 14y = -20 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
7 + 14y + -5y = -20 + 5y + -5y

Combine like terms: 14y + -5y = 9y
7 + 9y = -20 + 5y + -5y

Combine like terms: 5y + -5y = 0
7 + 9y = -20 + 0
7 + 9y = -20

Add '-7' to each side of the equation.
7 + -7 + 9y = -20 + -7

Combine like terms: 7 + -7 = 0
0 + 9y = -20 + -7
9y = -20 + -7

Combine like terms: -20 + -7 = -27
9y = -27

Divide each side by '9'.
y = -3

Simplifying
y = -3

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