x+x-40=76

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Solution for x+x-40=76 equation: 


Simplifying
x + x + -40 = 76

Reorder the terms:
-40 + x + x = 76

Combine like terms: x + x = 2x
-40 + 2x = 76

Solving
-40 + 2x = 76

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 = 76 + 40

Combine like terms: -40 + 40 = 0
0 + 2x = 76 + 40
2x = 76 + 40

Combine like terms: 76 + 40 = 116
2x = 116

Divide each side by '2'.
x = 58

Simplifying
x = 58

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