-3x-9+4x=4

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


Simplifying
-3x + -9 + 4x = 4

Reorder the terms:
-9 + -3x + 4x = 4

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

Solving
-9 + 1x = 4

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 1x = 4 + 9

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

Combine like terms: 4 + 9 = 13
1x = 13

Divide each side by '1'.
x = 13

Simplifying
x = 13

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