2x-(x+9)=4x+9

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Solution for 2x-(x+9)=4x+9 equation:


Simplifying
2x + -1(x + 9) = 4x + 9

Reorder the terms:
2x + -1(9 + x) = 4x + 9
2x + (9 * -1 + x * -1) = 4x + 9
2x + (-9 + -1x) = 4x + 9

Reorder the terms:
-9 + 2x + -1x = 4x + 9

Combine like terms: 2x + -1x = 1x
-9 + 1x = 4x + 9

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

Solving
-9 + 1x = 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.
-9 + 1x + -4x = 9 + 4x + -4x

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

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

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

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

Combine like terms: 9 + 9 = 18
-3x = 18

Divide each side by '-3'.
x = -6

Simplifying
x = -6

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