x+x+7+x+14=126

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Solution for x+x+7+x+14=126 equation:


Simplifying
x + x + 7 + x + 14 = 126

Reorder the terms:
7 + 14 + x + x + x = 126

Combine like terms: 7 + 14 = 21
21 + x + x + x = 126

Combine like terms: x + x = 2x
21 + 2x + x = 126

Combine like terms: 2x + x = 3x
21 + 3x = 126

Solving
21 + 3x = 126

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 = 126 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 126 + -21
3x = 126 + -21

Combine like terms: 126 + -21 = 105
3x = 105

Divide each side by '3'.
x = 35

Simplifying
x = 35

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