39=x-(-9)

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Solution for 39=x-(-9) equation:


Simplifying
39 = x + -1(-9)

Multiply -1 * -9
39 = x + 9

Reorder the terms:
39 = 9 + x

Solving
39 = 9 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
39 + -1x = 9 + x + -1x

Combine like terms: x + -1x = 0
39 + -1x = 9 + 0
39 + -1x = 9

Add '-39' to each side of the equation.
39 + -39 + -1x = 9 + -39

Combine like terms: 39 + -39 = 0
0 + -1x = 9 + -39
-1x = 9 + -39

Combine like terms: 9 + -39 = -30
-1x = -30

Divide each side by '-1'.
x = 30

Simplifying
x = 30

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