X+21+34=90

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Solution for X+21+34=90 equation: 


Simplifying
X + 21 + 34 = 90

Reorder the terms:
21 + 34 + X = 90

Combine like terms: 21 + 34 = 55
55 + X = 90

Solving
55 + X = 90

Solving for variable 'X'.

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

Add '-55' to each side of the equation.
55 + -55 + X = 90 + -55

Combine like terms: 55 + -55 = 0
0 + X = 90 + -55
X = 90 + -55

Combine like terms: 90 + -55 = 35
X = 35

Simplifying
X = 35

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