8y-(5y+12)=2-(7y-7)

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Solution for 8y-(5y+12)=2-(7y-7) equation:


Simplifying
8y + -1(5y + 12) = 2 + -1(7y + -7)

Reorder the terms:
8y + -1(12 + 5y) = 2 + -1(7y + -7)
8y + (12 * -1 + 5y * -1) = 2 + -1(7y + -7)
8y + (-12 + -5y) = 2 + -1(7y + -7)

Reorder the terms:
-12 + 8y + -5y = 2 + -1(7y + -7)

Combine like terms: 8y + -5y = 3y
-12 + 3y = 2 + -1(7y + -7)

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

Combine like terms: 2 + 7 = 9
-12 + 3y = 9 + -7y

Solving
-12 + 3y = 9 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
-12 + 3y + 7y = 9 + -7y + 7y

Combine like terms: 3y + 7y = 10y
-12 + 10y = 9 + -7y + 7y

Combine like terms: -7y + 7y = 0
-12 + 10y = 9 + 0
-12 + 10y = 9

Add '12' to each side of the equation.
-12 + 12 + 10y = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 10y = 9 + 12
10y = 9 + 12

Combine like terms: 9 + 12 = 21
10y = 21

Divide each side by '10'.
y = 2.1

Simplifying
y = 2.1

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