x=-x+30

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Solution for x=-x+30 equation: 


Simplifying
x = -1x + 30

Reorder the terms:
x = 30 + -1x

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

Combine like terms: x + x = 2x
2x = 30 + -1x + x

Combine like terms: -1x + x = 0
2x = 30 + 0
2x = 30

Divide each side by '2'.
x = 15

Simplifying
x = 15

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