3x+8=-42

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Solution for 3x+8=-42 equation: 


Simplifying
3x + 8 = -42

Reorder the terms:
8 + 3x = -42

Solving
8 + 3x = -42

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 3x = -42 + -8

Combine like terms: 8 + -8 = 0
0 + 3x = -42 + -8
3x = -42 + -8

Combine like terms: -42 + -8 = -50
3x = -50

Divide each side by '3'.
x = -16.66666667

Simplifying
x = -16.66666667

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