5y-[7-(2y-1)]=3(y-5)

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Solution for 5y-[7-(2y-1)]=3(y-5) equation:


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

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

Combine like terms: 7 + 1 = 8
5y + -1[8 + -2y] = 3(y + -5)
5y + [8 * -1 + -2y * -1] = 3(y + -5)
5y + [-8 + 2y] = 3(y + -5)

Reorder the terms:
-8 + 5y + 2y = 3(y + -5)

Combine like terms: 5y + 2y = 7y
-8 + 7y = 3(y + -5)

Reorder the terms:
-8 + 7y = 3(-5 + y)
-8 + 7y = (-5 * 3 + y * 3)
-8 + 7y = (-15 + 3y)

Solving
-8 + 7y = -15 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-8 + 7y + -3y = -15 + 3y + -3y

Combine like terms: 7y + -3y = 4y
-8 + 4y = -15 + 3y + -3y

Combine like terms: 3y + -3y = 0
-8 + 4y = -15 + 0
-8 + 4y = -15

Add '8' to each side of the equation.
-8 + 8 + 4y = -15 + 8

Combine like terms: -8 + 8 = 0
0 + 4y = -15 + 8
4y = -15 + 8

Combine like terms: -15 + 8 = -7
4y = -7

Divide each side by '4'.
y = -1.75

Simplifying
y = -1.75

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