X-9=-4+7

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Solution for X-9=-4+7 equation: 


Simplifying
X + -9 = -4 + 7

Reorder the terms:
-9 + X = -4 + 7

Combine like terms: -4 + 7 = 3
-9 + X = 3

Solving
-9 + X = 3

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 = 3 + 9

Combine like terms: -9 + 9 = 0
0 + X = 3 + 9
X = 3 + 9

Combine like terms: 3 + 9 = 12
X = 12

Simplifying
X = 12

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