3x+7+14=42

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Solution for 3x+7+14=42 equation:


Simplifying
3x + 7 + 14 = 42

Reorder the terms:
7 + 14 + 3x = 42

Combine like terms: 7 + 14 = 21
21 + 3x = 42

Solving
21 + 3x = 42

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 3x = 42 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 42 + -21
3x = 42 + -21

Combine like terms: 42 + -21 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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