3(2x+7)-9=0

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Solution for 3(2x+7)-9=0 equation:


Simplifying
3(2x + 7) + -9 = 0

Reorder the terms:
3(7 + 2x) + -9 = 0
(7 * 3 + 2x * 3) + -9 = 0
(21 + 6x) + -9 = 0

Reorder the terms:
21 + -9 + 6x = 0

Combine like terms: 21 + -9 = 12
12 + 6x = 0

Solving
12 + 6x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 6x = 0 + -12

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

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

Divide each side by '6'.
x = -2

Simplifying
x = -2

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