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

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


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

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

Combine like terms: 7y + -3y = 4y
-12 + 4y = 6(y + 3)

Reorder the terms:
-12 + 4y = 6(3 + y)
-12 + 4y = (3 * 6 + y * 6)
-12 + 4y = (18 + 6y)

Solving
-12 + 4y = 18 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
-12 + 4y + -6y = 18 + 6y + -6y

Combine like terms: 4y + -6y = -2y
-12 + -2y = 18 + 6y + -6y

Combine like terms: 6y + -6y = 0
-12 + -2y = 18 + 0
-12 + -2y = 18

Add '12' to each side of the equation.
-12 + 12 + -2y = 18 + 12

Combine like terms: -12 + 12 = 0
0 + -2y = 18 + 12
-2y = 18 + 12

Combine like terms: 18 + 12 = 30
-2y = 30

Divide each side by '-2'.
y = -15

Simplifying
y = -15

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