3x-45=12x

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Solution for 3x-45=12x equation:


Simplifying
3x + -45 = 12x

Reorder the terms:
-45 + 3x = 12x

Solving
-45 + 3x = 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-45 + 3x + -12x = 12x + -12x

Combine like terms: 3x + -12x = -9x
-45 + -9x = 12x + -12x

Combine like terms: 12x + -12x = 0
-45 + -9x = 0

Add '45' to each side of the equation.
-45 + 45 + -9x = 0 + 45

Combine like terms: -45 + 45 = 0
0 + -9x = 0 + 45
-9x = 0 + 45

Combine like terms: 0 + 45 = 45
-9x = 45

Divide each side by '-9'.
x = -5

Simplifying
x = -5

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