15-x=-30

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Solution for 15-x=-30 equation: 


Simplifying
15 + -1x = -30

Solving
15 + -1x = -30

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -1x = -30 + -15

Combine like terms: 15 + -15 = 0
0 + -1x = -30 + -15
-1x = -30 + -15

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

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

Simplifying
x = 45

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