ax+7=9

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Solution for ax+7=9 equation: 


Simplifying
ax + 7 = 9

Reorder the terms:
7 + ax = 9

Solving
7 + ax = 9

Solving for variable 'a'.

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

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

Combine like terms: 7 + -7 = 0
0 + ax = 9 + -7
ax = 9 + -7

Combine like terms: 9 + -7 = 2
ax = 2

Divide each side by 'x'.
a = 2x-1

Simplifying
a = 2x-1

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