-3x=9-4x

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Solution for -3x=9-4x equation: 


Simplifying
-3x = 9 + -4x

Solving
-3x = 9 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-3x + 4x = 9 + -4x + 4x

Combine like terms: -3x + 4x = 1x
1x = 9 + -4x + 4x

Combine like terms: -4x + 4x = 0
1x = 9 + 0
1x = 9

Divide each side by '1'.
x = 9

Simplifying
x = 9

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