2(4+x)=18

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Solution for 2(4+x)=18 equation: 


Simplifying
2(4 + x) = 18
(4 * 2 + x * 2) = 18
(8 + 2x) = 18

Solving
8 + 2x = 18

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 2x = 18 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 18 + -8
2x = 18 + -8

Combine like terms: 18 + -8 = 10
2x = 10

Divide each side by '2'.
x = 5

Simplifying
x = 5

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