2(4+9X)=80

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Solution for 2(4+9X)=80 equation: 


Simplifying
2(4 + 9X) = 80
(4 * 2 + 9X * 2) = 80
(8 + 18X) = 80

Solving
8 + 18X = 80

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 + 18X = 80 + -8

Combine like terms: 8 + -8 = 0
0 + 18X = 80 + -8
18X = 80 + -8

Combine like terms: 80 + -8 = 72
18X = 72

Divide each side by '18'.
X = 4

Simplifying
X = 4

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