x+7+x=81

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Solution for x+7+x=81 equation: 


Simplifying
x + 7 + x = 81

Reorder the terms:
7 + x + x = 81

Combine like terms: x + x = 2x
7 + 2x = 81

Solving
7 + 2x = 81

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 2x = 81 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = 81 + -7
2x = 81 + -7

Combine like terms: 81 + -7 = 74
2x = 74

Divide each side by '2'.
x = 37

Simplifying
x = 37

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