7x-2x-9=16

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Solution for 7x-2x-9=16 equation: 


Simplifying
7x + -2x + -9 = 16

Reorder the terms:
-9 + 7x + -2x = 16

Combine like terms: 7x + -2x = 5x
-9 + 5x = 16

Solving
-9 + 5x = 16

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 + 5x = 16 + 9

Combine like terms: -9 + 9 = 0
0 + 5x = 16 + 9
5x = 16 + 9

Combine like terms: 16 + 9 = 25
5x = 25

Divide each side by '5'.
x = 5

Simplifying
x = 5

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