7y+3-4(-2y-1)=5(y-1)

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Solution for 7y+3-4(-2y-1)=5(y-1) equation:


Simplifying
7y + 3 + -4(-2y + -1) = 5(y + -1)

Reorder the terms:
7y + 3 + -4(-1 + -2y) = 5(y + -1)
7y + 3 + (-1 * -4 + -2y * -4) = 5(y + -1)
7y + 3 + (4 + 8y) = 5(y + -1)

Reorder the terms:
3 + 4 + 7y + 8y = 5(y + -1)

Combine like terms: 3 + 4 = 7
7 + 7y + 8y = 5(y + -1)

Combine like terms: 7y + 8y = 15y
7 + 15y = 5(y + -1)

Reorder the terms:
7 + 15y = 5(-1 + y)
7 + 15y = (-1 * 5 + y * 5)
7 + 15y = (-5 + 5y)

Solving
7 + 15y = -5 + 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 + 15y + -5y = -5 + 5y + -5y

Combine like terms: 15y + -5y = 10y
7 + 10y = -5 + 5y + -5y

Combine like terms: 5y + -5y = 0
7 + 10y = -5 + 0
7 + 10y = -5

Add '-7' to each side of the equation.
7 + -7 + 10y = -5 + -7

Combine like terms: 7 + -7 = 0
0 + 10y = -5 + -7
10y = -5 + -7

Combine like terms: -5 + -7 = -12
10y = -12

Divide each side by '10'.
y = -1.2

Simplifying
y = -1.2

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