3x+42=126

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Solution for 3x+42=126 equation: 


Simplifying
3x + 42 = 126

Reorder the terms:
42 + 3x = 126

Solving
42 + 3x = 126

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 3x = 126 + -42

Combine like terms: 42 + -42 = 0
0 + 3x = 126 + -42
3x = 126 + -42

Combine like terms: 126 + -42 = 84
3x = 84

Divide each side by '3'.
x = 28

Simplifying
x = 28

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