3(1+2x)=243

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Solution for 3(1+2x)=243 equation: 


Simplifying
3(1 + 2x) = 243
(1 * 3 + 2x * 3) = 243
(3 + 6x) = 243

Solving
3 + 6x = 243

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 6x = 243 + -3

Combine like terms: 3 + -3 = 0
0 + 6x = 243 + -3
6x = 243 + -3

Combine like terms: 243 + -3 = 240
6x = 240

Divide each side by '6'.
x = 40

Simplifying
x = 40

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