2(9+x)=20

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Solution for 2(9+x)=20 equation: 


Simplifying
2(9 + x) = 20
(9 * 2 + x * 2) = 20
(18 + 2x) = 20

Solving
18 + 2x = 20

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 2x = 20 + -18

Combine like terms: 18 + -18 = 0
0 + 2x = 20 + -18
2x = 20 + -18

Combine like terms: 20 + -18 = 2
2x = 2

Divide each side by '2'.
x = 1

Simplifying
x = 1

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