3x+15=3x-2y+6

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Solution for 3x+15=3x-2y+6 equation:


Simplifying
3x + 15 = 3x + -2y + 6

Reorder the terms:
15 + 3x = 3x + -2y + 6

Reorder the terms:
15 + 3x = 6 + 3x + -2y

Add '-3x' to each side of the equation.
15 + 3x + -3x = 6 + 3x + -3x + -2y

Combine like terms: 3x + -3x = 0
15 + 0 = 6 + 3x + -3x + -2y
15 = 6 + 3x + -3x + -2y

Combine like terms: 3x + -3x = 0
15 = 6 + 0 + -2y
15 = 6 + -2y

Solving
15 = 6 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
15 + 2y = 6 + -2y + 2y

Combine like terms: -2y + 2y = 0
15 + 2y = 6 + 0
15 + 2y = 6

Add '-15' to each side of the equation.
15 + -15 + 2y = 6 + -15

Combine like terms: 15 + -15 = 0
0 + 2y = 6 + -15
2y = 6 + -15

Combine like terms: 6 + -15 = -9
2y = -9

Divide each side by '2'.
y = -4.5

Simplifying
y = -4.5

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