3(2x+7)=-21

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Solution for 3(2x+7)=-21 equation:


Simplifying
3(2x + 7) = -21

Reorder the terms:
3(7 + 2x) = -21
(7 * 3 + 2x * 3) = -21
(21 + 6x) = -21

Solving
21 + 6x = -21

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 6x = -21 + -21

Combine like terms: 21 + -21 = 0
0 + 6x = -21 + -21
6x = -21 + -21

Combine like terms: -21 + -21 = -42
6x = -42

Divide each side by '6'.
x = -7

Simplifying
x = -7

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