6(x+7)-3x=9

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Solution for 6(x+7)-3x=9 equation: 


Simplifying
6(x + 7) + -3x = 9

Reorder the terms:
6(7 + x) + -3x = 9
(7 * 6 + x * 6) + -3x = 9
(42 + 6x) + -3x = 9

Combine like terms: 6x + -3x = 3x
42 + 3x = 9

Solving
42 + 3x = 9

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 = 9 + -42

Combine like terms: 42 + -42 = 0
0 + 3x = 9 + -42
3x = 9 + -42

Combine like terms: 9 + -42 = -33
3x = -33

Divide each side by '3'.
x = -11

Simplifying
x = -11

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