x+x+15=77

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Solution for x+x+15=77 equation:


Simplifying
x + x + 15 = 77

Reorder the terms:
15 + x + x = 77

Combine like terms: x + x = 2x
15 + 2x = 77

Solving
15 + 2x = 77

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 2x = 77 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = 77 + -15
2x = 77 + -15

Combine like terms: 77 + -15 = 62
2x = 62

Divide each side by '2'.
x = 31

Simplifying
x = 31

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