3x+x+(x-9)=96

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Solution for 3x+x+(x-9)=96 equation:


Simplifying
3x + x + (x + -9) = 96

Reorder the terms:
3x + x + (-9 + x) = 96

Remove parenthesis around (-9 + x)
3x + x + -9 + x = 96

Reorder the terms:
-9 + 3x + x + x = 96

Combine like terms: 3x + x = 4x
-9 + 4x + x = 96

Combine like terms: 4x + x = 5x
-9 + 5x = 96

Solving
-9 + 5x = 96

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 + 5x = 96 + 9

Combine like terms: -9 + 9 = 0
0 + 5x = 96 + 9
5x = 96 + 9

Combine like terms: 96 + 9 = 105
5x = 105

Divide each side by '5'.
x = 21

Simplifying
x = 21

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