x+8-9=7

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Solution for x+8-9=7 equation: 


Simplifying
x + 8 + -9 = 7

Reorder the terms:
8 + -9 + x = 7

Combine like terms: 8 + -9 = -1
-1 + x = 7

Solving
-1 + x = 7

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 = 7 + 1

Combine like terms: -1 + 1 = 0
0 + x = 7 + 1
x = 7 + 1

Combine like terms: 7 + 1 = 8
x = 8

Simplifying
x = 8

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