3+x+(4X+9)=x

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Solution for 3+x+(4X+9)=x equation:


Simplifying
3 + x + (4X + 9) = x

Reorder the terms:
3 + x + (9 + 4X) = x

Remove parenthesis around (9 + 4X)
3 + x + 9 + 4X = x

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

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

Add '-1x' to each side of the equation.
12 + 4X + x + -1x = x + -1x

Combine like terms: x + -1x = 0
12 + 4X + 0 = x + -1x
12 + 4X = x + -1x

Combine like terms: x + -1x = 0
12 + 4X = 0

Solving
12 + 4X = 0

Solving for variable 'X'.

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

Add '-12' to each side of the equation.
12 + -12 + 4X = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 4X = 0 + -12
4X = 0 + -12

Combine like terms: 0 + -12 = -12
4X = -12

Divide each side by '4'.
X = -3

Simplifying
X = -3

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