126=5x+7x+6

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Solution for 126=5x+7x+6 equation:


Simplifying
126 = 5x + 7x + 6

Reorder the terms:
126 = 6 + 5x + 7x

Combine like terms: 5x + 7x = 12x
126 = 6 + 12x

Solving
126 = 6 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
126 + -12x = 6 + 12x + -12x

Combine like terms: 12x + -12x = 0
126 + -12x = 6 + 0
126 + -12x = 6

Add '-126' to each side of the equation.
126 + -126 + -12x = 6 + -126

Combine like terms: 126 + -126 = 0
0 + -12x = 6 + -126
-12x = 6 + -126

Combine like terms: 6 + -126 = -120
-12x = -120

Divide each side by '-12'.
x = 10

Simplifying
x = 10

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