200=30-x

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Solution for 200=30-x equation:


Simplifying
200 = 30 + -1x

Solving
200 = 30 + -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.
200 + x = 30 + -1x + x

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

Add '-200' to each side of the equation.
200 + -200 + x = 30 + -200

Combine like terms: 200 + -200 = 0
0 + x = 30 + -200
x = 30 + -200

Combine like terms: 30 + -200 = -170
x = -170

Simplifying
x = -170

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