x+4+x+4+7+7=55

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Solution for x+4+x+4+7+7=55 equation:


Simplifying
x + 4 + x + 4 + 7 + 7 = 55

Reorder the terms:
4 + 4 + 7 + 7 + x + x = 55

Combine like terms: 4 + 4 = 8
8 + 7 + 7 + x + x = 55

Combine like terms: 8 + 7 = 15
15 + 7 + x + x = 55

Combine like terms: 15 + 7 = 22
22 + x + x = 55

Combine like terms: x + x = 2x
22 + 2x = 55

Solving
22 + 2x = 55

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + -22 + 2x = 55 + -22

Combine like terms: 22 + -22 = 0
0 + 2x = 55 + -22
2x = 55 + -22

Combine like terms: 55 + -22 = 33
2x = 33

Divide each side by '2'.
x = 16.5

Simplifying
x = 16.5

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