7x+2(x+6)=39

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Solution for 7x+2(x+6)=39 equation:


Simplifying
7x + 2(x + 6) = 39

Reorder the terms:
7x + 2(6 + x) = 39
7x + (6 * 2 + x * 2) = 39
7x + (12 + 2x) = 39

Reorder the terms:
12 + 7x + 2x = 39

Combine like terms: 7x + 2x = 9x
12 + 9x = 39

Solving
12 + 9x = 39

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 + 9x = 39 + -12

Combine like terms: 12 + -12 = 0
0 + 9x = 39 + -12
9x = 39 + -12

Combine like terms: 39 + -12 = 27
9x = 27

Divide each side by '9'.
x = 3

Simplifying
x = 3

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