3x+9=57-3x

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Solution for 3x+9=57-3x equation:


Simplifying
3x + 9 = 57 + -3x

Reorder the terms:
9 + 3x = 57 + -3x

Solving
9 + 3x = 57 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
9 + 3x + 3x = 57 + -3x + 3x

Combine like terms: 3x + 3x = 6x
9 + 6x = 57 + -3x + 3x

Combine like terms: -3x + 3x = 0
9 + 6x = 57 + 0
9 + 6x = 57

Add '-9' to each side of the equation.
9 + -9 + 6x = 57 + -9

Combine like terms: 9 + -9 = 0
0 + 6x = 57 + -9
6x = 57 + -9

Combine like terms: 57 + -9 = 48
6x = 48

Divide each side by '6'.
x = 8

Simplifying
x = 8

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