X-(-28)=7

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Solution for X-(-28)=7 equation: 


Simplifying
X + -1(-28) = 7

Multiply -1 * -28
X + 28 = 7

Reorder the terms:
28 + X = 7

Solving
28 + X = 7

Solving for variable 'X'.

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

Add '-28' to each side of the equation.
28 + -28 + X = 7 + -28

Combine like terms: 28 + -28 = 0
0 + X = 7 + -28
X = 7 + -28

Combine like terms: 7 + -28 = -21
X = -21

Simplifying
X = -21

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