-3(y-4y)+9=-2(3y-y)+3+12y

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Solution for -3(y-4y)+9=-2(3y-y)+3+12y equation:


Simplifying
-3(y + -4y) + 9 = -2(3y + -1y) + 3 + 12y

Combine like terms: y + -4y = -3y
-3(-3y) + 9 = -2(3y + -1y) + 3 + 12y

Remove parenthesis around (-3y)
-3 * -3y + 9 = -2(3y + -1y) + 3 + 12y

Multiply -3 * -3
9y + 9 = -2(3y + -1y) + 3 + 12y

Reorder the terms:
9 + 9y = -2(3y + -1y) + 3 + 12y

Combine like terms: 3y + -1y = 2y
9 + 9y = -2(2y) + 3 + 12y

Remove parenthesis around (2y)
9 + 9y = -2 * 2y + 3 + 12y

Multiply -2 * 2
9 + 9y = -4y + 3 + 12y

Reorder the terms:
9 + 9y = 3 + -4y + 12y

Combine like terms: -4y + 12y = 8y
9 + 9y = 3 + 8y

Solving
9 + 9y = 3 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
9 + 9y + -8y = 3 + 8y + -8y

Combine like terms: 9y + -8y = 1y
9 + 1y = 3 + 8y + -8y

Combine like terms: 8y + -8y = 0
9 + 1y = 3 + 0
9 + 1y = 3

Add '-9' to each side of the equation.
9 + -9 + 1y = 3 + -9

Combine like terms: 9 + -9 = 0
0 + 1y = 3 + -9
1y = 3 + -9

Combine like terms: 3 + -9 = -6
1y = -6

Divide each side by '1'.
y = -6

Simplifying
y = -6

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