3(y-4)=(3y-5-4y)-(2-5y+10)

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Solution for 3(y-4)=(3y-5-4y)-(2-5y+10) equation:


Simplifying
3(y + -4) = (3y + -5 + -4y) + -1(2 + -5y + 10)

Reorder the terms:
3(-4 + y) = (3y + -5 + -4y) + -1(2 + -5y + 10)
(-4 * 3 + y * 3) = (3y + -5 + -4y) + -1(2 + -5y + 10)
(-12 + 3y) = (3y + -5 + -4y) + -1(2 + -5y + 10)

Reorder the terms:
-12 + 3y = (-5 + 3y + -4y) + -1(2 + -5y + 10)

Combine like terms: 3y + -4y = -1y
-12 + 3y = (-5 + -1y) + -1(2 + -5y + 10)

Remove parenthesis around (-5 + -1y)
-12 + 3y = -5 + -1y + -1(2 + -5y + 10)

Reorder the terms:
-12 + 3y = -5 + -1y + -1(2 + 10 + -5y)

Combine like terms: 2 + 10 = 12
-12 + 3y = -5 + -1y + -1(12 + -5y)
-12 + 3y = -5 + -1y + (12 * -1 + -5y * -1)
-12 + 3y = -5 + -1y + (-12 + 5y)

Reorder the terms:
-12 + 3y = -5 + -12 + -1y + 5y

Combine like terms: -5 + -12 = -17
-12 + 3y = -17 + -1y + 5y

Combine like terms: -1y + 5y = 4y
-12 + 3y = -17 + 4y

Solving
-12 + 3y = -17 + 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.
-12 + 3y + -4y = -17 + 4y + -4y

Combine like terms: 3y + -4y = -1y
-12 + -1y = -17 + 4y + -4y

Combine like terms: 4y + -4y = 0
-12 + -1y = -17 + 0
-12 + -1y = -17

Add '12' to each side of the equation.
-12 + 12 + -1y = -17 + 12

Combine like terms: -12 + 12 = 0
0 + -1y = -17 + 12
-1y = -17 + 12

Combine like terms: -17 + 12 = -5
-1y = -5

Divide each side by '-1'.
y = 5

Simplifying
y = 5

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