2(1+x)=18

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Solution for 2(1+x)=18 equation: 


Simplifying
2(1 + x) = 18
(1 * 2 + x * 2) = 18
(2 + 2x) = 18

Solving
2 + 2x = 18

Solving for variable 'x'.

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

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

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

Combine like terms: 18 + -2 = 16
2x = 16

Divide each side by '2'.
x = 8

Simplifying
x = 8

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