2x+(x-5)=15

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Solution for 2x+(x-5)=15 equation:


Simplifying
2x + (x + -5) = 15

Reorder the terms:
2x + (-5 + x) = 15

Remove parenthesis around (-5 + x)
2x + -5 + x = 15

Reorder the terms:
-5 + 2x + x = 15

Combine like terms: 2x + x = 3x
-5 + 3x = 15

Solving
-5 + 3x = 15

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 3x = 15 + 5

Combine like terms: -5 + 5 = 0
0 + 3x = 15 + 5
3x = 15 + 5

Combine like terms: 15 + 5 = 20
3x = 20

Divide each side by '3'.
x = 6.666666667

Simplifying
x = 6.666666667

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