(X+50)+(10-x)=90

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Solution for (X+50)+(10-x)=90 equation: 


Simplifying
(X + 50) + (10 + -1x) = 90

Reorder the terms:
(50 + X) + (10 + -1x) = 90

Remove parenthesis around (50 + X)
50 + X + (10 + -1x) = 90

Remove parenthesis around (10 + -1x)
50 + X + 10 + -1x = 90

Reorder the terms:
50 + 10 + X + -1x = 90

Combine like terms: 50 + 10 = 60
60 + X + -1x = 90

Solving
60 + X + -1x = 90

Solving for variable 'X'.

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

Add '-60' to each side of the equation.
60 + X + -60 + -1x = 90 + -60

Reorder the terms:
60 + -60 + X + -1x = 90 + -60

Combine like terms: 60 + -60 = 0
0 + X + -1x = 90 + -60
X + -1x = 90 + -60

Combine like terms: 90 + -60 = 30
X + -1x = 30

Add 'x' to each side of the equation.
X + -1x + x = 30 + x

Combine like terms: -1x + x = 0
X + 0 = 30 + x
X = 30 + x

Simplifying
X = 30 + x

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