57=12x+9

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Solution for 57=12x+9 equation:


Simplifying
57 = 12x + 9

Reorder the terms:
57 = 9 + 12x

Solving
57 = 9 + 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.
57 + -12x = 9 + 12x + -12x

Combine like terms: 12x + -12x = 0
57 + -12x = 9 + 0
57 + -12x = 9

Add '-57' to each side of the equation.
57 + -57 + -12x = 9 + -57

Combine like terms: 57 + -57 = 0
0 + -12x = 9 + -57
-12x = 9 + -57

Combine like terms: 9 + -57 = -48
-12x = -48

Divide each side by '-12'.
x = 4

Simplifying
x = 4

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