2(X+9)=10

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Solution for 2(X+9)=10 equation: 


Simplifying
2(X + 9) = 10

Reorder the terms:
2(9 + X) = 10
(9 * 2 + X * 2) = 10
(18 + 2X) = 10

Solving
18 + 2X = 10

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 = 10 + -18

Combine like terms: 18 + -18 = 0
0 + 2X = 10 + -18
2X = 10 + -18

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

Divide each side by '2'.
X = -4

Simplifying
X = -4

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