55+(x-45)=90

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Solution for 55+(x-45)=90 equation: 


Simplifying
55 + (x + -45) = 90

Reorder the terms:
55 + (-45 + x) = 90

Remove parenthesis around (-45 + x)
55 + -45 + x = 90

Combine like terms: 55 + -45 = 10
10 + x = 90

Solving
10 + x = 90

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + x = 90 + -10

Combine like terms: 10 + -10 = 0
0 + x = 90 + -10
x = 90 + -10

Combine like terms: 90 + -10 = 80
x = 80

Simplifying
x = 80

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