4+3(4+x)=-20-3x

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Solution for 4+3(4+x)=-20-3x equation: 


Simplifying
4 + 3(4 + x) = -20 + -3x
4 + (4 * 3 + x * 3) = -20 + -3x
4 + (12 + 3x) = -20 + -3x

Combine like terms: 4 + 12 = 16
16 + 3x = -20 + -3x

Solving
16 + 3x = -20 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
16 + 3x + 3x = -20 + -3x + 3x

Combine like terms: 3x + 3x = 6x
16 + 6x = -20 + -3x + 3x

Combine like terms: -3x + 3x = 0
16 + 6x = -20 + 0
16 + 6x = -20

Add '-16' to each side of the equation.
16 + -16 + 6x = -20 + -16

Combine like terms: 16 + -16 = 0
0 + 6x = -20 + -16
6x = -20 + -16

Combine like terms: -20 + -16 = -36
6x = -36

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

Simplifying
x = -6

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