4s-1=8-2a

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Solution for 4s-1=8-2a equation: 


Simplifying
4s + -1 = 8 + -2a

Reorder the terms:
-1 + 4s = 8 + -2a

Solving
-1 + 4s = 8 + -2a

Solving for variable 's'.

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

Add '1' to each side of the equation.
-1 + 1 + 4s = 8 + 1 + -2a

Combine like terms: -1 + 1 = 0
0 + 4s = 8 + 1 + -2a
4s = 8 + 1 + -2a

Combine like terms: 8 + 1 = 9
4s = 9 + -2a

Divide each side by '4'.
s = 2.25 + -0.5a

Simplifying
s = 2.25 + -0.5a

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