x+x-45=63

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Solution for x+x-45=63 equation:


Simplifying
x + x + -45 = 63

Reorder the terms:
-45 + x + x = 63

Combine like terms: x + x = 2x
-45 + 2x = 63

Solving
-45 + 2x = 63

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 2x = 63 + 45

Combine like terms: -45 + 45 = 0
0 + 2x = 63 + 45
2x = 63 + 45

Combine like terms: 63 + 45 = 108
2x = 108

Divide each side by '2'.
x = 54

Simplifying
x = 54

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