7x+a=9

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Solution for 7x+a=9 equation: 


Simplifying
7x + a = 9

Reorder the terms:
a + 7x = 9

Solving
a + 7x = 9

Solving for variable 'a'.

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

Add '-7x' to each side of the equation.
a + 7x + -7x = 9 + -7x

Combine like terms: 7x + -7x = 0
a + 0 = 9 + -7x
a = 9 + -7x

Simplifying
a = 9 + -7x

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