2(3x+9)=90

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Solution for 2(3x+9)=90 equation: 


Simplifying
2(3x + 9) = 90

Reorder the terms:
2(9 + 3x) = 90
(9 * 2 + 3x * 2) = 90
(18 + 6x) = 90

Solving
18 + 6x = 90

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 + 6x = 90 + -18

Combine like terms: 18 + -18 = 0
0 + 6x = 90 + -18
6x = 90 + -18

Combine like terms: 90 + -18 = 72
6x = 72

Divide each side by '6'.
x = 12

Simplifying
x = 12

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