X-7=-1-9

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Solution for X-7=-1-9 equation: 


Simplifying
X + -7 = -1 + -9

Reorder the terms:
-7 + X = -1 + -9

Combine like terms: -1 + -9 = -10
-7 + X = -10

Solving
-7 + X = -10

Solving for variable 'X'.

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

Add '7' to each side of the equation.
-7 + 7 + X = -10 + 7

Combine like terms: -7 + 7 = 0
0 + X = -10 + 7
X = -10 + 7

Combine like terms: -10 + 7 = -3
X = -3

Simplifying
X = -3

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