X-(-9)=13

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Solution for X-(-9)=13 equation: 


Simplifying
X + -1(-9) = 13

Multiply -1 * -9
X + 9 = 13

Reorder the terms:
9 + X = 13

Solving
9 + X = 13

Solving for variable 'X'.

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

Add '-9' to each side of the equation.
9 + -9 + X = 13 + -9

Combine like terms: 9 + -9 = 0
0 + X = 13 + -9
X = 13 + -9

Combine like terms: 13 + -9 = 4
X = 4

Simplifying
X = 4

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