3x-12=3(y-1)-15

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Solution for 3x-12=3(y-1)-15 equation:


Simplifying
3x + -12 = 3(y + -1) + -15

Reorder the terms:
-12 + 3x = 3(y + -1) + -15

Reorder the terms:
-12 + 3x = 3(-1 + y) + -15
-12 + 3x = (-1 * 3 + y * 3) + -15
-12 + 3x = (-3 + 3y) + -15

Reorder the terms:
-12 + 3x = -3 + -15 + 3y

Combine like terms: -3 + -15 = -18
-12 + 3x = -18 + 3y

Solving
-12 + 3x = -18 + 3y

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 3x = -18 + 12 + 3y

Combine like terms: -12 + 12 = 0
0 + 3x = -18 + 12 + 3y
3x = -18 + 12 + 3y

Combine like terms: -18 + 12 = -6
3x = -6 + 3y

Divide each side by '3'.
x = -2 + y

Simplifying
x = -2 + y

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