x+3+2x=57

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Solution for x+3+2x=57 equation: 


Simplifying
x + 3 + 2x = 57

Reorder the terms:
3 + x + 2x = 57

Combine like terms: x + 2x = 3x
3 + 3x = 57

Solving
3 + 3x = 57

Solving for variable 'x'.

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

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

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

Combine like terms: 57 + -3 = 54
3x = 54

Divide each side by '3'.
x = 18

Simplifying
x = 18

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