-9+x+3x=3

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


Simplifying
-9 + x + 3x = 3

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

Solving
-9 + 4x = 3

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 + 4x = 3 + 9

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

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

Divide each side by '4'.
x = 3

Simplifying
x = 3

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