-1+X=7+2

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Solution for -1+X=7+2 equation: 


Simplifying
-1 + X = 7 + 2

Combine like terms: 7 + 2 = 9
-1 + X = 9

Solving
-1 + X = 9

Solving for variable 'X'.

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

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

Combine like terms: -1 + 1 = 0
0 + X = 9 + 1
X = 9 + 1

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

Simplifying
X = 10

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