3-4x=-9

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Solution for 3-4x=-9 equation: 


Simplifying
3 + -4x = -9

Solving
3 + -4x = -9

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 = -9 + -3

Combine like terms: 3 + -3 = 0
0 + -4x = -9 + -3
-4x = -9 + -3

Combine like terms: -9 + -3 = -12
-4x = -12

Divide each side by '-4'.
x = 3

Simplifying
x = 3

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