x+x+1=77

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Solution for x+x+1=77 equation: 


Simplifying
x + x + 1 = 77

Reorder the terms:
1 + x + x = 77

Combine like terms: x + x = 2x
1 + 2x = 77

Solving
1 + 2x = 77

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 2x = 77 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 77 + -1
2x = 77 + -1

Combine like terms: 77 + -1 = 76
2x = 76

Divide each side by '2'.
x = 38

Simplifying
x = 38

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