(10+3)+x=55

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Solution for (10+3)+x=55 equation: 


Simplifying
(10 + 3) + x = 55

Combine like terms: 10 + 3 = 13
(13) + x = 55
13 + x = 55

Solving
13 + x = 55

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + x = 55 + -13

Combine like terms: 13 + -13 = 0
0 + x = 55 + -13
x = 55 + -13

Combine like terms: 55 + -13 = 42
x = 42

Simplifying
x = 42

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