5s+4t=21

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Solution for 5s+4t=21 equation: 


Simplifying
5s + 4t = 21

Solving
5s + 4t = 21

Solving for variable 's'.

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

Add '-4t' to each side of the equation.
5s + 4t + -4t = 21 + -4t

Combine like terms: 4t + -4t = 0
5s + 0 = 21 + -4t
5s = 21 + -4t

Divide each side by '5'.
s = 4.2 + -0.8t

Simplifying
s = 4.2 + -0.8t

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