20+35+x=90

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Solution for 20+35+x=90 equation: 


Simplifying
20 + 35 + x = 90

Combine like terms: 20 + 35 = 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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