7y-2(y-7)=7y-(3y+12)

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Solution for 7y-2(y-7)=7y-(3y+12) equation:


Simplifying
7y + -2(y + -7) = 7y + -1(3y + 12)

Reorder the terms:
7y + -2(-7 + y) = 7y + -1(3y + 12)
7y + (-7 * -2 + y * -2) = 7y + -1(3y + 12)
7y + (14 + -2y) = 7y + -1(3y + 12)

Reorder the terms:
14 + 7y + -2y = 7y + -1(3y + 12)

Combine like terms: 7y + -2y = 5y
14 + 5y = 7y + -1(3y + 12)

Reorder the terms:
14 + 5y = 7y + -1(12 + 3y)
14 + 5y = 7y + (12 * -1 + 3y * -1)
14 + 5y = 7y + (-12 + -3y)

Reorder the terms:
14 + 5y = -12 + 7y + -3y

Combine like terms: 7y + -3y = 4y
14 + 5y = -12 + 4y

Solving
14 + 5y = -12 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
14 + 5y + -4y = -12 + 4y + -4y

Combine like terms: 5y + -4y = 1y
14 + 1y = -12 + 4y + -4y

Combine like terms: 4y + -4y = 0
14 + 1y = -12 + 0
14 + 1y = -12

Add '-14' to each side of the equation.
14 + -14 + 1y = -12 + -14

Combine like terms: 14 + -14 = 0
0 + 1y = -12 + -14
1y = -12 + -14

Combine like terms: -12 + -14 = -26
1y = -26

Divide each side by '1'.
y = -26

Simplifying
y = -26

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