4.20=.75s+u

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Solution for 4.20=.75s+u equation:


Simplifying
4.20 = 0.75s + u

Solving
4.20 = 0.75s + u

Solving for variable 's'.

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

Add '-0.75s' to each side of the equation.
4.20 + -0.75s = 0.75s + -0.75s + u

Combine like terms: 0.75s + -0.75s = 0.00
4.20 + -0.75s = 0.00 + u
4.20 + -0.75s = u

Add '-4.20' to each side of the equation.
4.20 + -4.20 + -0.75s = -4.20 + u

Combine like terms: 4.20 + -4.20 = 0.00
0.00 + -0.75s = -4.20 + u
-0.75s = -4.20 + u

Divide each side by '-0.75'.
s = 5.6 + -1.333333333u

Simplifying
s = 5.6 + -1.333333333u

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