2(6+x)+4x=30

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Solution for 2(6+x)+4x=30 equation: 


Simplifying
2(6 + x) + 4x = 30
(6 * 2 + x * 2) + 4x = 30
(12 + 2x) + 4x = 30

Combine like terms: 2x + 4x = 6x
12 + 6x = 30

Solving
12 + 6x = 30

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 = 30 + -12

Combine like terms: 12 + -12 = 0
0 + 6x = 30 + -12
6x = 30 + -12

Combine like terms: 30 + -12 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

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