3x-4=-40

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Solution for 3x-4=-40 equation: 


Simplifying
3x + -4 = -40

Reorder the terms:
-4 + 3x = -40

Solving
-4 + 3x = -40

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 3x = -40 + 4

Combine like terms: -4 + 4 = 0
0 + 3x = -40 + 4
3x = -40 + 4

Combine like terms: -40 + 4 = -36
3x = -36

Divide each side by '3'.
x = -12

Simplifying
x = -12

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