50=80-x

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Solution for 50=80-x equation:


Simplifying
50 = 80 + -1x

Solving
50 = 80 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
50 + x = 80 + -1x + x

Combine like terms: -1x + x = 0
50 + x = 80 + 0
50 + x = 80

Add '-50' to each side of the equation.
50 + -50 + x = 80 + -50

Combine like terms: 50 + -50 = 0
0 + x = 80 + -50
x = 80 + -50

Combine like terms: 80 + -50 = 30
x = 30

Simplifying
x = 30

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