4s-2.8s=30

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Solution for 4s-2.8s=30 equation: 


Simplifying
4s + -2.8s = 30

Combine like terms: 4s + -2.8s = 1.2s
1.2s = 30

Solving
1.2s = 30

Solving for variable 's'.

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

Divide each side by '1.2'.
s = 25

Simplifying
s = 25

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