9+7-x=25

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Solution for 9+7-x=25 equation: 


Simplifying
9 + 7 + -1x = 25

Combine like terms: 9 + 7 = 16
16 + -1x = 25

Solving
16 + -1x = 25

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + -1x = 25 + -16

Combine like terms: 16 + -16 = 0
0 + -1x = 25 + -16
-1x = 25 + -16

Combine like terms: 25 + -16 = 9
-1x = 9

Divide each side by '-1'.
x = -9

Simplifying
x = -9

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