12x+9=45

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Solution for 12x+9=45 equation: 


Simplifying
12x + 9 = 45

Reorder the terms:
9 + 12x = 45

Solving
9 + 12x = 45

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 12x = 45 + -9

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

Combine like terms: 45 + -9 = 36
12x = 36

Divide each side by '12'.
x = 3

Simplifying
x = 3

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