-x=15+30

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Solution for -x=15+30 equation: 


Simplifying
-1x = 15 + 30

Combine like terms: 15 + 30 = 45
-1x = 45

Solving
-1x = 45

Solving for variable 'x'.

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

Divide each side by '-1'.
x = -45

Simplifying
x = -45

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