x+x-7=16

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Solution for x+x-7=16 equation: 


Simplifying
x + x + -7 = 16

Reorder the terms:
-7 + x + x = 16

Combine like terms: x + x = 2x
-7 + 2x = 16

Solving
-7 + 2x = 16

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 2x = 16 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = 16 + 7
2x = 16 + 7

Combine like terms: 16 + 7 = 23
2x = 23

Divide each side by '2'.
x = 11.5

Simplifying
x = 11.5

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