21+14+x=55

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Solution for 21+14+x=55 equation: 


Simplifying
21 + 14 + x = 55

Combine like terms: 21 + 14 = 35
35 + x = 55

Solving
35 + x = 55

Solving for variable 'x'.

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

Add '-35' to each side of the equation.
35 + -35 + x = 55 + -35

Combine like terms: 35 + -35 = 0
0 + x = 55 + -35
x = 55 + -35

Combine like terms: 55 + -35 = 20
x = 20

Simplifying
x = 20

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