3-4x=39

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Solution for 3-4x=39 equation: 


Simplifying
3 + -4x = 39

Solving
3 + -4x = 39

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -4x = 39 + -3

Combine like terms: 3 + -3 = 0
0 + -4x = 39 + -3
-4x = 39 + -3

Combine like terms: 39 + -3 = 36
-4x = 36

Divide each side by '-4'.
x = -9

Simplifying
x = -9

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