4s-2.8=30

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Solution for 4s-2.8=30 equation: 


Simplifying
4s + -2.8 = 30

Reorder the terms:
-2.8 + 4s = 30

Solving
-2.8 + 4s = 30

Solving for variable 's'.

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

Add '2.8' to each side of the equation.
-2.8 + 2.8 + 4s = 30 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + 4s = 30 + 2.8
4s = 30 + 2.8

Combine like terms: 30 + 2.8 = 32.8
4s = 32.8

Divide each side by '4'.
s = 8.2

Simplifying
s = 8.2

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