3(7+4x)=-99

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Solution for 3(7+4x)=-99 equation: 


Simplifying
3(7 + 4x) = -99
(7 * 3 + 4x * 3) = -99
(21 + 12x) = -99

Solving
21 + 12x = -99

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 + 12x = -99 + -21

Combine like terms: 21 + -21 = 0
0 + 12x = -99 + -21
12x = -99 + -21

Combine like terms: -99 + -21 = -120
12x = -120

Divide each side by '12'.
x = -10

Simplifying
x = -10

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