4x-(x+9)=0

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Solution for 4x-(x+9)=0 equation:


Simplifying
4x + -1(x + 9) = 0

Reorder the terms:
4x + -1(9 + x) = 0
4x + (9 * -1 + x * -1) = 0
4x + (-9 + -1x) = 0

Reorder the terms:
-9 + 4x + -1x = 0

Combine like terms: 4x + -1x = 3x
-9 + 3x = 0

Solving
-9 + 3x = 0

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 + 3x = 0 + 9

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

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

Divide each side by '3'.
x = 3

Simplifying
x = 3

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