3(2x+9)=-18+21

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Solution for 3(2x+9)=-18+21 equation:


Simplifying
3(2x + 9) = -18 + 21

Reorder the terms:
3(9 + 2x) = -18 + 21
(9 * 3 + 2x * 3) = -18 + 21
(27 + 6x) = -18 + 21

Combine like terms: -18 + 21 = 3
27 + 6x = 3

Solving
27 + 6x = 3

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 6x = 3 + -27

Combine like terms: 27 + -27 = 0
0 + 6x = 3 + -27
6x = 3 + -27

Combine like terms: 3 + -27 = -24
6x = -24

Divide each side by '6'.
x = -4

Simplifying
x = -4

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