3(2x+1)=-18

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Solution for 3(2x+1)=-18 equation: 


Simplifying
3(2x + 1) = -18

Reorder the terms:
3(1 + 2x) = -18
(1 * 3 + 2x * 3) = -18
(3 + 6x) = -18

Solving
3 + 6x = -18

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 = -18 + -3

Combine like terms: 3 + -3 = 0
0 + 6x = -18 + -3
6x = -18 + -3

Combine like terms: -18 + -3 = -21
6x = -21

Divide each side by '6'.
x = -3.5

Simplifying
x = -3.5

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