3(7-2x)=39

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Solution for 3(7-2x)=39 equation: 


Simplifying
3(7 + -2x) = 39
(7 * 3 + -2x * 3) = 39
(21 + -6x) = 39

Solving
21 + -6x = 39

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -6x = 39 + -21

Combine like terms: 21 + -21 = 0
0 + -6x = 39 + -21
-6x = 39 + -21

Combine like terms: 39 + -21 = 18
-6x = 18

Divide each side by '-6'.
x = -3

Simplifying
x = -3

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