-7a+12=-9s

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Solution for -7a+12=-9s equation: 


Simplifying
-7a + 12 = -9s

Reorder the terms:
12 + -7a = -9s

Solving
12 + -7a = -9s

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + -7a = -12 + -9s

Combine like terms: 12 + -12 = 0
0 + -7a = -12 + -9s
-7a = -12 + -9s

Divide each side by '-7'.
a = 1.714285714 + 1.285714286s

Simplifying
a = 1.714285714 + 1.285714286s

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