6x+3(3x+-13)=12

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Solution for 6x+3(3x+-13)=12 equation:


Simplifying
6x + 3(3x + -13) = 12

Reorder the terms:
6x + 3(-13 + 3x) = 12
6x + (-13 * 3 + 3x * 3) = 12
6x + (-39 + 9x) = 12

Reorder the terms:
-39 + 6x + 9x = 12

Combine like terms: 6x + 9x = 15x
-39 + 15x = 12

Solving
-39 + 15x = 12

Solving for variable 'x'.

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

Add '39' to each side of the equation.
-39 + 39 + 15x = 12 + 39

Combine like terms: -39 + 39 = 0
0 + 15x = 12 + 39
15x = 12 + 39

Combine like terms: 12 + 39 = 51
15x = 51

Divide each side by '15'.
x = 3.4

Simplifying
x = 3.4

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