x+x-13=89

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Solution for x+x-13=89 equation:


Simplifying
x + x + -13 = 89

Reorder the terms:
-13 + x + x = 89

Combine like terms: x + x = 2x
-13 + 2x = 89

Solving
-13 + 2x = 89

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + 2x = 89 + 13

Combine like terms: -13 + 13 = 0
0 + 2x = 89 + 13
2x = 89 + 13

Combine like terms: 89 + 13 = 102
2x = 102

Divide each side by '2'.
x = 51

Simplifying
x = 51

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