12x+3(x+7)=0

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Solution for 12x+3(x+7)=0 equation:


Simplifying
12x + 3(x + 7) = 0

Reorder the terms:
12x + 3(7 + x) = 0
12x + (7 * 3 + x * 3) = 0
12x + (21 + 3x) = 0

Reorder the terms:
21 + 12x + 3x = 0

Combine like terms: 12x + 3x = 15x
21 + 15x = 0

Solving
21 + 15x = 0

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 + 15x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 15x = 0 + -21
15x = 0 + -21

Combine like terms: 0 + -21 = -21
15x = -21

Divide each side by '15'.
x = -1.4

Simplifying
x = -1.4

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