(9+x)+x=153

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Solution for (9+x)+x=153 equation:


Simplifying
(9 + x) + x = 153

Remove parenthesis around (9 + x)
9 + x + x = 153

Combine like terms: x + x = 2x
9 + 2x = 153

Solving
9 + 2x = 153

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 = 153 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 153 + -9
2x = 153 + -9

Combine like terms: 153 + -9 = 144
2x = 144

Divide each side by '2'.
x = 72

Simplifying
x = 72

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