6x+6+3x=87

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Solution for 6x+6+3x=87 equation: 


Simplifying
6x + 6 + 3x = 87

Reorder the terms:
6 + 6x + 3x = 87

Combine like terms: 6x + 3x = 9x
6 + 9x = 87

Solving
6 + 9x = 87

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 9x = 87 + -6

Combine like terms: 6 + -6 = 0
0 + 9x = 87 + -6
9x = 87 + -6

Combine like terms: 87 + -6 = 81
9x = 81

Divide each side by '9'.
x = 9

Simplifying
x = 9

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