(12y+7)-(3y+6)=

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Solution for (12y+7)-(3y+6)= equation:


Simplifying
(12y + 7) + -1(3y + 6) = 0

Reorder the terms:
(7 + 12y) + -1(3y + 6) = 0

Remove parenthesis around (7 + 12y)
7 + 12y + -1(3y + 6) = 0

Reorder the terms:
7 + 12y + -1(6 + 3y) = 0
7 + 12y + (6 * -1 + 3y * -1) = 0
7 + 12y + (-6 + -3y) = 0

Reorder the terms:
7 + -6 + 12y + -3y = 0

Combine like terms: 7 + -6 = 1
1 + 12y + -3y = 0

Combine like terms: 12y + -3y = 9y
1 + 9y = 0

Solving
1 + 9y = 0

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + 9y = 0 + -1

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

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

Divide each side by '9'.
y = -0.1111111111

Simplifying
y = -0.1111111111

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