X+(X+9)=43

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Solution for X+(X+9)=43 equation:


Simplifying
X + (X + 9) = 43

Reorder the terms:
X + (9 + X) = 43

Remove parenthesis around (9 + X)
X + 9 + X = 43

Reorder the terms:
9 + X + X = 43

Combine like terms: X + X = 2X
9 + 2X = 43

Solving
9 + 2X = 43

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 + 2X = 43 + -9

Combine like terms: 9 + -9 = 0
0 + 2X = 43 + -9
2X = 43 + -9

Combine like terms: 43 + -9 = 34
2X = 34

Divide each side by '2'.
X = 17

Simplifying
X = 17

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