x-(-4x)=x+9

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


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

Remove parenthesis around (-4x)
x + -1 * -4x = x + 9

Multiply -1 * -4
x + 4x = x + 9

Combine like terms: x + 4x = 5x
5x = x + 9

Reorder the terms:
5x = 9 + x

Solving
5x = 9 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
5x + -1x = 9 + x + -1x

Combine like terms: 5x + -1x = 4x
4x = 9 + x + -1x

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

Divide each side by '4'.
x = 2.25

Simplifying
x = 2.25

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