3x+7+5+4=

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Solution for 3x+7+5+4= equation:


Simplifying
3x + 7 + 5 + 4 = 0

Reorder the terms:
7 + 5 + 4 + 3x = 0

Combine like terms: 7 + 5 = 12
12 + 4 + 3x = 0

Combine like terms: 12 + 4 = 16
16 + 3x = 0

Solving
16 + 3x = 0

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 3x = 0 + -16

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

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

Divide each side by '3'.
x = -5.333333333

Simplifying
x = -5.333333333

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