3x+3(x+1)=309

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Solution for 3x+3(x+1)=309 equation:


Simplifying
3x + 3(x + 1) = 309

Reorder the terms:
3x + 3(1 + x) = 309
3x + (1 * 3 + x * 3) = 309
3x + (3 + 3x) = 309

Reorder the terms:
3 + 3x + 3x = 309

Combine like terms: 3x + 3x = 6x
3 + 6x = 309

Solving
3 + 6x = 309

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 = 309 + -3

Combine like terms: 3 + -3 = 0
0 + 6x = 309 + -3
6x = 309 + -3

Combine like terms: 309 + -3 = 306
6x = 306

Divide each side by '6'.
x = 51

Simplifying
x = 51

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