9(x+3)=21

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


Simplifying
9(x + 3) = 21

Reorder the terms:
9(3 + x) = 21
(3 * 9 + x * 9) = 21
(27 + 9x) = 21

Solving
27 + 9x = 21

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 + 9x = 21 + -27

Combine like terms: 27 + -27 = 0
0 + 9x = 21 + -27
9x = 21 + -27

Combine like terms: 21 + -27 = -6
9x = -6

Divide each side by '9'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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