x+x-40=54

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Solution for x+x-40=54 equation:


Simplifying
x + x + -40 = 54

Reorder the terms:
-40 + x + x = 54

Combine like terms: x + x = 2x
-40 + 2x = 54

Solving
-40 + 2x = 54

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 2x = 54 + 40

Combine like terms: -40 + 40 = 0
0 + 2x = 54 + 40
2x = 54 + 40

Combine like terms: 54 + 40 = 94
2x = 94

Divide each side by '2'.
x = 47

Simplifying
x = 47

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